22651336 has 8 divisors (see below), whose sum is σ = 42471270. Its totient is φ = 11325664.

The previous prime is 22651333. The next prime is 22651337. The reversal of 22651336 is 63315622.

It can be written as a sum of positive squares in only one way, i.e., 17388900 + 5262436 = 4170^2 + 2294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22651331) 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 as a sum of consecutive naturals, namely, 1415701 + ... + 1415716.

Almost surely, 2^22651336 is an apocalyptic number.

It is an amenable number.

22651336 is a deficient number, since it is larger than the sum of its proper divisors (19819934).

22651336 is a wasteful number, since it uses less digits than its factorization.

22651336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831423 (or 2831419 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 22651336 is about 4759.3419713233. The cubic root of 22651336 is about 282.9423398866.

Adding to 22651336 its reverse (63315622), we get a palindrome (85966958).

The spelling of 22651336 in words is "twenty-two million, six hundred fifty-one thousand, three hundred thirty-six".