22622137 has 2 divisors, whose sum is σ = 22622138. Its totient is φ = 22622136.

The previous prime is 22622123. The next prime is 22622143. The reversal of 22622137 is 73122622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22619536 + 2601 = 4756^2 + 51^2 .

It is a cyclic number.

It is not a de Polignac number, because 22622137 - 2⁷ = 22622009 is a prime.

It is a super-2 number, since 2×22622137² = 1023522164893538, which contains 22 as substring.

It is equal to p_1425913 and since 22622137 and 1425913 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (22622167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11311068 + 11311069.

It is an arithmetic number, because the mean of its divisors is an integer number (11311069).

Almost surely, 2^22622137 is an apocalyptic number.

It is an amenable number.

22622137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22622137 is an equidigital number, since it uses as much as digits as its factorization.

22622137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 22622137 is about 4756.2734362103. The cubic root of 22622137 is about 282.8207107717.

Adding to 22622137 its reverse (73122622), we get a palindrome (95744759).

The spelling of 22622137 in words is "twenty-two million, six hundred twenty-two thousand, one hundred thirty-seven".