1115516622 has 16 divisors (see below), whose sum is σ = 2433854592. Its totient is φ = 338035320.

The previous prime is 1115516593. The next prime is 1115516627. The reversal of 1115516622 is 2266155111.

It is a self number, because there is not a number n which added to its sum of digits gives 1115516622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115516627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8450818 + ... + 8450949.

It is an arithmetic number, because the mean of its divisors is an integer number (152115912).

Almost surely, 2^1115516622 is an apocalyptic number.

1115516622 is an abundant number, since it is smaller than the sum of its proper divisors (1318337970).

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

1115516622 is a wasteful number, since it uses less digits than its factorization.

1115516622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16901783.

The product of its digits is 3600, while the sum is 30.

The square root of 1115516622 is about 33399.3506224298. The cubic root of 1115516622 is about 1037.1112580858. Note that the first 3 decimals are identical.

The spelling of 1115516622 in words is "one billion, one hundred fifteen million, five hundred sixteen thousand, six hundred twenty-two".