22651022 has 4 divisors (see below), whose sum is σ = 33976536. Its totient is φ = 11325510.

The previous prime is 22651019. The next prime is 22651051. The reversal of 22651022 is 22015622.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22650985 and 22651003.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5662754 + ... + 5662757.

It is an arithmetic number, because the mean of its divisors is an integer number (8494134).

Almost surely, 2^22651022 is an apocalyptic number.

22651022 is a deficient number, since it is larger than the sum of its proper divisors (11325514).

22651022 is a wasteful number, since it uses less digits than its factorization.

22651022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11325513.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 22651022 is about 4759.3089834555. The cubic root of 22651022 is about 282.9410324684.

Adding to 22651022 its reverse (22015622), we get a palindrome (44666644).

The spelling of 22651022 in words is "twenty-two million, six hundred fifty-one thousand, twenty-two".