22152651 has 16 divisors (see below), whose sum is σ = 31756800. Its totient is φ = 13691808.

The previous prime is 22152643. The next prime is 22152659. The reversal of 22152651 is 15625122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22152643) and next prime (22152659).

It is not a de Polignac number, because 22152651 - 2³ = 22152643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22152659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1456 + ... + 6813.

It is an arithmetic number, because the mean of its divisors is an integer number (1984800).

Almost surely, 2^22152651 is an apocalyptic number.

22152651 is a deficient number, since it is larger than the sum of its proper divisors (9604149).

22152651 is a wasteful number, since it uses less digits than its factorization.

22152651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8338.

The product of its digits is 1200, while the sum is 24.

The square root of 22152651 is about 4706.6602809211. The cubic root of 22152651 is about 280.8505218508.

Adding to 22152651 its reverse (15625122), we get a palindrome (37777773).

The spelling of 22152651 in words is "twenty-two million, one hundred fifty-two thousand, six hundred fifty-one".