22090802 has 4 divisors (see below), whose sum is σ = 33136206. Its totient is φ = 11045400.

The previous prime is 22090801. The next prime is 22090811. The reversal of 22090802 is 20809022.

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

It can be written as a sum of positive squares in only one way, i.e., 22080601 + 10201 = 4699^2 + 101^2 .

It is not an unprimeable number, because it can be changed into a prime (22090801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5522699 + ... + 5522702.

Almost surely, 2^22090802 is an apocalyptic number.

22090802 is a deficient number, since it is larger than the sum of its proper divisors (11045404).

22090802 is a wasteful number, since it uses less digits than its factorization.

22090802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11045403.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 22090802 is about 4700.0853183746. The cubic root of 22090802 is about 280.5889050852.

Adding to 22090802 its reverse (20809022), we get a palindrome (42899824).

The spelling of 22090802 in words is "twenty-two million, ninety thousand, eight hundred two".