22246690 has 8 divisors (see below), whose sum is σ = 40044060. Its totient is φ = 8898672.

The previous prime is 22246673. The next prime is 22246709. The reversal of 22246690 is 9664222.

It can be written as a sum of positive squares in 2 ways, for example, as 20985561 + 1261129 = 4581^2 + 1123^2 .

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

It is a super-2 number, since 2×22246690² = 989830431912200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112325 + ... + 1112344.

Almost surely, 2^22246690 is an apocalyptic number.

22246690 is a deficient number, since it is larger than the sum of its proper divisors (17797370).

22246690 is a wasteful number, since it uses less digits than its factorization.

22246690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224676.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 22246690 is about 4716.6396936802. The cubic root of 22246690 is about 281.2473685351.

The spelling of 22246690 in words is "twenty-two million, two hundred forty-six thousand, six hundred ninety".