1113222040 has 64 divisors (see below), whose sum is σ = 2866959360. Its totient is φ = 381091200.

The previous prime is 1113222031. The next prime is 1113222049. The reversal of 1113222040 is 402223111.

It is an interprime number because it is at equal distance from previous prime (1113222031) and next prime (1113222049).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113222049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205365 + ... + 210715.

It is an arithmetic number, because the mean of its divisors is an integer number (44796240).

Almost surely, 2^1113222040 is an apocalyptic number.

1113222040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113222040 is an abundant number, since it is smaller than the sum of its proper divisors (1753737320).

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

1113222040 is a wasteful number, since it uses less digits than its factorization.

1113222040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112 (or 6108 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1113222040 is about 33364.9822418655. The cubic root of 1113222040 is about 1036.3996683985.

Adding to 1113222040 its reverse (402223111), we get a palindrome (1515445151).

The spelling of 1113222040 in words is "one billion, one hundred thirteen million, two hundred twenty-two thousand, forty".