2251535022 has 64 divisors (see below), whose sum is σ = 5634385920. Its totient is φ = 660268800.

The previous prime is 2251535003. The next prime is 2251535023. The reversal of 2251535022 is 2205351522.

2251535022 is a `hidden beast` number, since 2 + 2 + 5 + 153 + 502 + 2 = 666.

2251535022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251535023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42723 + ... + 79550.

It is an arithmetic number, because the mean of its divisors is an integer number (88037280).

Almost surely, 2^2251535022 is an apocalyptic number.

2251535022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2251535022 is an abundant number, since it is smaller than the sum of its proper divisors (3382850898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251535022 is a wasteful number, since it uses less digits than its factorization.

2251535022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122326 (or 122320 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2251535022 is about 47450.3426963389. The cubic root of 2251535022 is about 1310.6686216373.

Adding to 2251535022 its reverse (2205351522), we get a palindrome (4456886544).

The spelling of 2251535022 in words is "two billion, two hundred fifty-one million, five hundred thirty-five thousand, twenty-two".