1118747022 has 32 divisors (see below), whose sum is σ = 2302800000. Its totient is φ = 362073888.

The previous prime is 1118747011. The next prime is 1118747029. The reversal of 1118747022 is 2207478111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118747029) 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, 105729 + ... + 115827.

It is an arithmetic number, because the mean of its divisors is an integer number (71962500).

Almost surely, 2^1118747022 is an apocalyptic number.

1118747022 is an abundant number, since it is smaller than the sum of its proper divisors (1184052978).

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

1118747022 is a wasteful number, since it uses less digits than its factorization.

1118747022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10640.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 1118747022 is about 33447.6758833854. The cubic root of 1118747022 is about 1038.1114091460. Note that the first 3 decimals are identical.

The spelling of 1118747022 in words is "one billion, one hundred eighteen million, seven hundred forty-seven thousand, twenty-two".