22025007 has 32 divisors (see below), whose sum is σ = 35251200. Its totient is φ = 13549536.

The previous prime is 22024997. The next prime is 22025021. The reversal of 22025007 is 70052022.

It is a happy number.

It is not a de Polignac number, because 22025007 - 2¹⁵ = 21992239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17398 + ... + 18620.

It is an arithmetic number, because the mean of its divisors is an integer number (1101600).

Almost surely, 2^22025007 is an apocalyptic number.

22025007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

22025007 is a deficient number, since it is larger than the sum of its proper divisors (13226193).

22025007 is a wasteful number, since it uses less digits than its factorization.

22025007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 22025007 is about 4693.0807578818. The cubic root of 22025007 is about 280.3100604367.

Adding to 22025007 its reverse (70052022), we get a palindrome (92077029).

The spelling of 22025007 in words is "twenty-two million, twenty-five thousand, seven".