22051633 has 8 divisors (see below), whose sum is σ = 22991616. Its totient is φ = 21126000.

The previous prime is 22051607. The next prime is 22051637. The reversal of 22051633 is 33615022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22051633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22051637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391 + ... + 6652.

It is an arithmetic number, because the mean of its divisors is an integer number (2873952).

Almost surely, 2^22051633 is an apocalyptic number.

It is an amenable number.

22051633 is a deficient number, since it is larger than the sum of its proper divisors (939983).

22051633 is a wasteful number, since it uses less digits than its factorization.

22051633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7175.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 22051633 is about 4695.9166304354. The cubic root of 22051633 is about 280.4229704293.

Adding to 22051633 its reverse (33615022), we get a palindrome (55666655).

The spelling of 22051633 in words is "twenty-two million, fifty-one thousand, six hundred thirty-three".