22049413 has 2 divisors, whose sum is σ = 22049414. Its totient is φ = 22049412.

The previous prime is 22049407. The next prime is 22049429. The reversal of 22049413 is 31494022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13417569 + 8631844 = 3663^2 + 2938^2 .

It is a cyclic number.

It is not a de Polignac number, because 22049413 - 2⁵ = 22049381 is a prime.

It is a super-2 number, since 2×22049413² = 972353227289138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22044413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11024706 + 11024707.

It is an arithmetic number, because the mean of its divisors is an integer number (11024707).

Almost surely, 2^22049413 is an apocalyptic number.

It is an amenable number.

22049413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22049413 is an equidigital number, since it uses as much as digits as its factorization.

22049413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 22049413 is about 4695.6802489096. The cubic root of 22049413 is about 280.4135597901.

The spelling of 22049413 in words is "twenty-two million, forty-nine thousand, four hundred thirteen".