22501067 has 2 divisors, whose sum is σ = 22501068. Its totient is φ = 22501066.

The previous prime is 22501027. The next prime is 22501091. The reversal of 22501067 is 76010522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22501067 - 2²² = 18306763 is a prime.

It is a super-2 number, since 2×22501067² = 1012596032276978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22501027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11250533 + 11250534.

It is an arithmetic number, because the mean of its divisors is an integer number (11250534).

Almost surely, 2^22501067 is an apocalyptic number.

22501067 is a deficient number, since it is larger than the sum of its proper divisors (1).

22501067 is an equidigital number, since it uses as much as digits as its factorization.

22501067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 22501067 is about 4743.5289605946. The cubic root of 22501067 is about 282.3152711957.

Adding to 22501067 its reverse (76010522), we get a palindrome (98511589).

The spelling of 22501067 in words is "twenty-two million, five hundred one thousand, sixty-seven".