22851961 has 8 divisors (see below), whose sum is σ = 26396064. Its totient is φ = 19552320.

The previous prime is 22851953. The next prime is 22852007. The reversal of 22851961 is 16915822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22851961 - 2³ = 22851953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22851901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60915 + ... + 61288.

It is an arithmetic number, because the mean of its divisors is an integer number (3299508).

Almost surely, 2^22851961 is an apocalyptic number.

It is an amenable number.

22851961 is a deficient number, since it is larger than the sum of its proper divisors (3544103).

22851961 is a wasteful number, since it uses less digits than its factorization.

22851961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122231.

The product of its digits is 8640, while the sum is 34.

The square root of 22851961 is about 4780.3724750274. The cubic root of 22851961 is about 283.7752346127.

The spelling of 22851961 in words is "twenty-two million, eight hundred fifty-one thousand, nine hundred sixty-one".