22525030 has 32 divisors (see below), whose sum is σ = 44502048. Its totient is φ = 8140800.

The previous prime is 22525001. The next prime is 22525037. The reversal of 22525030 is 3052522.

It is a junction number, because it is equal to n+sod(n) for n = 22524989 and 22525007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22525037) 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, 20700 + ... + 21760.

It is an arithmetic number, because the mean of its divisors is an integer number (1390689).

Almost surely, 2^22525030 is an apocalyptic number.

22525030 is a deficient number, since it is larger than the sum of its proper divisors (21977018).

22525030 is a wasteful number, since it uses less digits than its factorization.

22525030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 22525030 is about 4746.0541505550. The cubic root of 22525030 is about 282.4154548998.

Adding to 22525030 its reverse (3052522), we get a palindrome (25577552).

The spelling of 22525030 in words is "twenty-two million, five hundred twenty-five thousand, thirty".