22270651 has 6 divisors (see below), whose sum is σ = 24115740. Its totient is φ = 20557368.

The previous prime is 22270627. The next prime is 22270723. The reversal of 22270651 is 15607222.

It is not a de Polignac number, because 22270651 - 2⁹ = 22270139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22270951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65721 + ... + 66058.

It is an arithmetic number, because the mean of its divisors is an integer number (4019290).

Almost surely, 2^22270651 is an apocalyptic number.

22270651 is a deficient number, since it is larger than the sum of its proper divisors (1845089).

22270651 is a wasteful number, since it uses less digits than its factorization.

22270651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131805 (or 131792 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 22270651 is about 4719.1790599637. The cubic root of 22270651 is about 281.3483056516.

Adding to 22270651 its reverse (15607222), we get a palindrome (37877873).

The spelling of 22270651 in words is "twenty-two million, two hundred seventy thousand, six hundred fifty-one".