22285951 has 12 divisors (see below), whose sum is σ = 23322432. Its totient is φ = 21290688.

The previous prime is 22285937. The next prime is 22285957. The reversal of 22285951 is 15958222.

It is a happy number.

It is not a de Polignac number, because 22285951 - 2¹⁵ = 22253183 is a prime.

It is a super-2 number, since 2×22285951² = 993327223948802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22285957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99826 + ... + 100048.

It is an arithmetic number, because the mean of its divisors is an integer number (1943536).

Almost surely, 2^22285951 is an apocalyptic number.

22285951 is a deficient number, since it is larger than the sum of its proper divisors (1036481).

22285951 is an equidigital number, since it uses as much as digits as its factorization.

22285951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 333 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 22285951 is about 4720.7998263006. The cubic root of 22285951 is about 281.4127199292.

The spelling of 22285951 in words is "twenty-two million, two hundred eighty-five thousand, nine hundred fifty-one".