22501226 has 16 divisors (see below), whose sum is σ = 38009088. Its totient is φ = 9897600.

The previous prime is 22501223. The next prime is 22501231. The reversal of 22501226 is 62210522.

It is a junction number, because it is equal to n+sod(n) for n = 22501198 and 22501207.

It is not an unprimeable number, because it can be changed into a prime (22501223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15815 + ... + 17178.

It is an arithmetic number, because the mean of its divisors is an integer number (2375568).

Almost surely, 2^22501226 is an apocalyptic number.

22501226 is a deficient number, since it is larger than the sum of its proper divisors (15507862).

22501226 is a wasteful number, since it uses less digits than its factorization.

22501226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33037.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22501226 is about 4743.5457202392. The cubic root of 22501226 is about 282.3159361719.

Adding to 22501226 its reverse (62210522), we get a palindrome (84711748).

The spelling of 22501226 in words is "twenty-two million, five hundred one thousand, two hundred twenty-six".