22750026 has 32 divisors (see below), whose sum is σ = 49230720. Its totient is φ = 6967104.

The previous prime is 22750003. The next prime is 22750027. The reversal of 22750026 is 62005722.

It is a junction number, because it is equal to n+sod(n) for n = 22749978 and 22750005.

It is not an unprimeable number, because it can be changed into a prime (22750027) 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, 19960 + ... + 21068.

It is an arithmetic number, because the mean of its divisors is an integer number (1538460).

Almost surely, 2^22750026 is an apocalyptic number.

22750026 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22750026 is an abundant number, since it is smaller than the sum of its proper divisors (26480694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22750026 is a wasteful number, since it uses less digits than its factorization.

22750026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 22750026 is about 4769.6987326245. The cubic root of 22750026 is about 283.3526633486.

Adding to 22750026 its reverse (62005722), we get a palindrome (84755748).

The spelling of 22750026 in words is "twenty-two million, seven hundred fifty thousand, twenty-six".