22276761 has 8 divisors (see below), whose sum is σ = 31987200. Its totient is φ = 13708752.

The previous prime is 22276741. The next prime is 22276769. The reversal of 22276761 is 16767222.

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

It is not a de Polignac number, because 22276761 - 2⁷ = 22276633 is a prime.

It is a super-2 number, since 2×22276761² = 992508161302242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22276769) 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, 285561 + ... + 285638.

It is an arithmetic number, because the mean of its divisors is an integer number (3998400).

Almost surely, 2^22276761 is an apocalyptic number.

It is an amenable number.

22276761 is a deficient number, since it is larger than the sum of its proper divisors (9710439).

22276761 is a wasteful number, since it uses less digits than its factorization.

22276761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571215.

The product of its digits is 14112, while the sum is 33.

The square root of 22276761 is about 4719.8263739252. The cubic root of 22276761 is about 281.3740327990.

The spelling of 22276761 in words is "twenty-two million, two hundred seventy-six thousand, seven hundred sixty-one".