22842961 has 4 divisors (see below), whose sum is σ = 22862500. Its totient is φ = 22823424.

The previous prime is 22842899. The next prime is 22842977. The reversal of 22842961 is 16924822.

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 17640000 + 5202961 = 4200^2 + 2281^2 .

It is a cyclic number.

It is not a de Polignac number, because 22842961 - 2¹³ = 22834769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22842361) 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, 7896 + ... + 10393.

It is an arithmetic number, because the mean of its divisors is an integer number (5715625).

Almost surely, 2^22842961 is an apocalyptic number.

It is an amenable number.

22842961 is a deficient number, since it is larger than the sum of its proper divisors (19539).

22842961 is a wasteful number, since it uses less digits than its factorization.

22842961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19538.

The product of its digits is 13824, while the sum is 34.

The square root of 22842961 is about 4779.4310330833. The cubic root of 22842961 is about 283.7379757757.

The spelling of 22842961 in words is "twenty-two million, eight hundred forty-two thousand, nine hundred sixty-one".