22998442 has 8 divisors (see below), whose sum is σ = 34532100. Its totient is φ = 11487744.

The previous prime is 22998427. The next prime is 22998461. The reversal of 22998442 is 24489922.

It can be written as a sum of positive squares in 2 ways, for example, as 15594601 + 7403841 = 3949^2 + 2721^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22998395 and 22998404.

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, 2967 + ... + 7402.

Almost surely, 2^22998442 is an apocalyptic number.

22998442 is a deficient number, since it is larger than the sum of its proper divisors (11533658).

22998442 is a wasteful number, since it uses less digits than its factorization.

22998442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11480.

The product of its digits is 82944, while the sum is 40.

The square root of 22998442 is about 4795.6690878333. The cubic root of 22998442 is about 284.3802764709.

The spelling of 22998442 in words is "twenty-two million, nine hundred ninety-eight thousand, four hundred forty-two".