22232651 has 16 divisors (see below), whose sum is σ = 28076544. Its totient is φ = 17153664.

The previous prime is 22232579. The next prime is 22232659. The reversal of 22232651 is 15623222.

It is a cyclic number.

It is not a de Polignac number, because 22232651 - 2¹⁴ = 22216267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22232659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325 + ... + 6798.

It is an arithmetic number, because the mean of its divisors is an integer number (1754784).

Almost surely, 2^22232651 is an apocalyptic number.

22232651 is a deficient number, since it is larger than the sum of its proper divisors (5843893).

22232651 is a wasteful number, since it uses less digits than its factorization.

22232651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8170.

The product of its digits is 1440, while the sum is 23.

The square root of 22232651 is about 4715.1512170873. The cubic root of 22232651 is about 281.1881947484.

Adding to 22232651 its reverse (15623222), we get a palindrome (37855873).

The spelling of 22232651 in words is "twenty-two million, two hundred thirty-two thousand, six hundred fifty-one".