2210145420 has 96 divisors (see below), whose sum is σ = 7263664128. Its totient is φ = 491519232.

The previous prime is 2210145407. The next prime is 2210145481. The reversal of 2210145420 is 245410122.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55572 + ... + 86651.

It is an arithmetic number, because the mean of its divisors is an integer number (75663168).

Almost surely, 2^2210145420 is an apocalyptic number.

2210145420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210145420 is an abundant number, since it is smaller than the sum of its proper divisors (5053518708).

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

2210145420 is a wasteful number, since it uses less digits than its factorization.

2210145420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142279 (or 142277 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2210145420 is about 47012.1837399626. The cubic root of 2210145420 is about 1302.5876309509.

Adding to 2210145420 its reverse (245410122), we get a palindrome (2455555542).

The spelling of 2210145420 in words is "two billion, two hundred ten million, one hundred forty-five thousand, four hundred twenty".