22629898 has 4 divisors (see below), whose sum is σ = 33944850. Its totient is φ = 11314948.

The previous prime is 22629881. The next prime is 22629899. The reversal of 22629898 is 89892622.

It is a happy number.

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., 18207289 + 4422609 = 4267^2 + 2103^2 .

It is a super-2 number, since 2×22629898² = 1024224566980808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22629899) 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, 5657473 + ... + 5657476.

Almost surely, 2^22629898 is an apocalyptic number.

22629898 is a deficient number, since it is larger than the sum of its proper divisors (11314952).

22629898 is a wasteful number, since it uses less digits than its factorization.

22629898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11314951.

The product of its digits is 248832, while the sum is 46.

The square root of 22629898 is about 4757.0892360770. The cubic root of 22629898 is about 282.8530496053.

The spelling of 22629898 in words is "twenty-two million, six hundred twenty-nine thousand, eight hundred ninety-eight".