22761413 has 4 divisors (see below), whose sum is σ = 22781868. Its totient is φ = 22740960.

The previous prime is 22761397. The next prime is 22761439. The reversal of 22761413 is 31416722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31416722 = 2 ⋅15708361.

It can be written as a sum of positive squares in 2 ways, for example, as 18258529 + 4502884 = 4273^2 + 2122^2 .

It is a cyclic number.

It is not a de Polignac number, because 22761413 - 2⁴ = 22761397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22761443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8456 + ... + 10817.

It is an arithmetic number, because the mean of its divisors is an integer number (5695467).

Almost surely, 2^22761413 is an apocalyptic number.

It is an amenable number.

22761413 is a deficient number, since it is larger than the sum of its proper divisors (20455).

22761413 is a wasteful number, since it uses less digits than its factorization.

22761413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20454.

The product of its digits is 2016, while the sum is 26.

The square root of 22761413 is about 4770.8922645560. The cubic root of 22761413 is about 283.3999306734.

It can be divided in two parts, 2 and 2761413, that multiplied together give a triangular number (5522826 = T₃₃₂₃).

The spelling of 22761413 in words is "twenty-two million, seven hundred sixty-one thousand, four hundred thirteen".