22746013 has 2 divisors, whose sum is σ = 22746014. Its totient is φ = 22746012.

The previous prime is 22746007. The next prime is 22746029. The reversal of 22746013 is 31064722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22629049 + 116964 = 4757^2 + 342^2 .

It is a cyclic number.

It is not a de Polignac number, because 22746013 - 2²¹ = 20648861 is a prime.

It is a super-2 number, since 2×22746013² = 1034762214792338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22746043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11373006 + 11373007.

It is an arithmetic number, because the mean of its divisors is an integer number (11373007).

Almost surely, 2^22746013 is an apocalyptic number.

It is an amenable number.

22746013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22746013 is an equidigital number, since it uses as much as digits as its factorization.

22746013 is an evil number, because the sum of its binary digits is even.

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

The square root of 22746013 is about 4769.2780376070. The cubic root of 22746013 is about 283.3360016665.

The spelling of 22746013 in words is "twenty-two million, seven hundred forty-six thousand, thirteen".