22416761 has 4 divisors (see below), whose sum is σ = 23735412. Its totient is φ = 21098112.

The previous prime is 22416749. The next prime is 22416769. The reversal of 22416761 is 16761422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20839225 + 1577536 = 4565^2 + 1256^2 .

It is a cyclic number.

It is not a de Polignac number, because 22416761 - 2¹⁸ = 22154617 is a prime.

It is a super-2 number, since 2×22416761² = 1005022347462242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22416769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659300 + ... + 659333.

It is an arithmetic number, because the mean of its divisors is an integer number (5933853).

Almost surely, 2^22416761 is an apocalyptic number.

It is an amenable number.

22416761 is a deficient number, since it is larger than the sum of its proper divisors (1318651).

22416761 is a wasteful number, since it uses less digits than its factorization.

22416761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318650.

The product of its digits is 4032, while the sum is 29.

The square root of 22416761 is about 4734.6341991753. The cubic root of 22416761 is about 281.9622411427.

The spelling of 22416761 in words is "twenty-two million, four hundred sixteen thousand, seven hundred sixty-one".