22698146 has 4 divisors (see below), whose sum is σ = 34047222. Its totient is φ = 11349072.

The previous prime is 22698127. The next prime is 22698149. The reversal of 22698146 is 64189622.

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., 15912121 + 6786025 = 3989^2 + 2605^2 .

It is not an unprimeable number, because it can be changed into a prime (22698149) 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, 5674535 + ... + 5674538.

Almost surely, 2^22698146 is an apocalyptic number.

22698146 is a deficient number, since it is larger than the sum of its proper divisors (11349076).

22698146 is a wasteful number, since it uses less digits than its factorization.

22698146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11349075.

The product of its digits is 41472, while the sum is 38.

The square root of 22698146 is about 4764.2571299207. The cubic root of 22698146 is about 283.1371101188.

The spelling of 22698146 in words is "twenty-two million, six hundred ninety-eight thousand, one hundred forty-six".