22501027 has 2 divisors, whose sum is σ = 22501028. Its totient is φ = 22501026.

The previous prime is 22501021. The next prime is 22501067. The reversal of 22501027 is 72010522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22501027 - 2³ = 22501019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22500995 and 22501013.

It is not a weakly prime, because it can be changed into another prime (22501021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11250513 + 11250514.

It is an arithmetic number, because the mean of its divisors is an integer number (11250514).

Almost surely, 2^22501027 is an apocalyptic number.

22501027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22501027 is an equidigital number, since it uses as much as digits as its factorization.

22501027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 22501027 is about 4743.5247443225. The cubic root of 22501027 is about 282.3151039056.

Adding to 22501027 its reverse (72010522), we get a palindrome (94511549).

The spelling of 22501027 in words is "twenty-two million, five hundred one thousand, twenty-seven".