912022005 has 16 divisors (see below), whose sum is σ = 1467391680. Its totient is φ = 483692928.

The previous prime is 912021989. The next prime is 912022009. The reversal of 912022005 is 500220219.

It is not a de Polignac number, because 912022005 - 2⁴ = 912021989 is a prime.

It is a super-4 number, since 4×912022005⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912022009) 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, 167152 + ... + 172521.

It is an arithmetic number, because the mean of its divisors is an integer number (91711980).

Almost surely, 2^912022005 is an apocalyptic number.

It is an amenable number.

912022005 is a deficient number, since it is larger than the sum of its proper divisors (555369675).

912022005 is a wasteful number, since it uses less digits than its factorization.

912022005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339860.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 912022005 is about 30199.7020680668. The cubic root of 912022005 is about 969.7693166674.

It can be divided in two parts, 9120 and 22005, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 912022005 in words is "nine hundred twelve million, twenty-two thousand, five".