22452613 has 2 divisors, whose sum is σ = 22452614. Its totient is φ = 22452612.

The previous prime is 22452611. The next prime is 22452629. The reversal of 22452613 is 31625422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22448644 + 3969 = 4738^2 + 63^2 .

It is a cyclic number.

It is not a de Polignac number, because 22452613 - 2¹ = 22452611 is a prime.

Together with 22452611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22452611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11226306 + 11226307.

It is an arithmetic number, because the mean of its divisors is an integer number (11226307).

Almost surely, 2^22452613 is an apocalyptic number.

It is an amenable number.

22452613 is a deficient number, since it is larger than the sum of its proper divisors (1).

22452613 is an equidigital number, since it uses as much as digits as its factorization.

22452613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 22452613 is about 4738.4188291032. The cubic root of 22452613 is about 282.1124788132.

The spelling of 22452613 in words is "twenty-two million, four hundred fifty-two thousand, six hundred thirteen".