22064137 has 2 divisors, whose sum is σ = 22064138. Its totient is φ = 22064136.

The previous prime is 22064131. The next prime is 22064167. The reversal of 22064137 is 73146022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21261321 + 802816 = 4611^2 + 896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22064137 is a prime.

It is a super-2 number, since 2×22064137² = 973652283109538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22064131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11032068 + 11032069.

It is an arithmetic number, because the mean of its divisors is an integer number (11032069).

Almost surely, 2^22064137 is an apocalyptic number.

It is an amenable number.

22064137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22064137 is an equidigital number, since it uses as much as digits as its factorization.

22064137 is an odious number, because the sum of its binary digits is odd.

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

The square root of 22064137 is about 4697.2478112188. The cubic root of 22064137 is about 280.4759634251.

It can be divided in two parts, 22064 and 137, that added together give a square (22201 = 149²).

The spelling of 22064137 in words is "twenty-two million, sixty-four thousand, one hundred thirty-seven".