22033640007 has 40 divisors (see below), whose sum is σ = 34934684400. Its totient is φ = 13791672576.

The previous prime is 22033640003. The next prime is 22033640009. The reversal of 22033640007 is 70004633022.

22033640007 is a `hidden beast` number, since 220 + 3 + 36 + 400 + 0 + 7 = 666.

It is not a de Polignac number, because 22033640007 - 2² = 22033640003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033640003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 557869 + ... + 596057.

It is an arithmetic number, because the mean of its divisors is an integer number (873367110).

Almost surely, 2^22033640007 is an apocalyptic number.

22033640007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22033640007 is a deficient number, since it is larger than the sum of its proper divisors (12901044393).

22033640007 is a wasteful number, since it uses less digits than its factorization.

22033640007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38637 (or 38628 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The spelling of 22033640007 in words is "twenty-two billion, thirty-three million, six hundred forty thousand, seven".