22282690 has 16 divisors (see below), whose sum is σ = 40767480. Its totient is φ = 8766720.

The previous prime is 22282681. The next prime is 22282693. The reversal of 22282690 is 9628222.

It can be written as a sum of positive squares in 4 ways, for example, as 14615329 + 7667361 = 3823^2 + 2769^2 .

It is a super-2 number, since 2×22282690² = 993036547272200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22282693) 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, 17655 + ... + 18874.

Almost surely, 2^22282690 is an apocalyptic number.

22282690 is a deficient number, since it is larger than the sum of its proper divisors (18484790).

22282690 is a wasteful number, since it uses less digits than its factorization.

22282690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36597.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 22282690 is about 4720.4544272771. The cubic root of 22282690 is about 281.3989933196.

The spelling of 22282690 in words is "twenty-two million, two hundred eighty-two thousand, six hundred ninety".