22029507 has 6 divisors (see below), whose sum is σ = 31820412. Its totient is φ = 14686332.

The previous prime is 22029487. The next prime is 22029529. The reversal of 22029507 is 70592022.

It is a happy number.

It is not a de Polignac number, because 22029507 - 2¹⁰ = 22028483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22029577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223853 + ... + 1223870.

It is an arithmetic number, because the mean of its divisors is an integer number (5303402).

Almost surely, 2^22029507 is an apocalyptic number.

22029507 is a deficient number, since it is larger than the sum of its proper divisors (9790905).

22029507 is a wasteful number, since it uses less digits than its factorization.

22029507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447729 (or 2447726 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 22029507 is about 4693.5601626058. The cubic root of 22029507 is about 280.3291494866.

The spelling of 22029507 in words is "twenty-two million, twenty-nine thousand, five hundred seven".