22958398 has 8 divisors (see below), whose sum is σ = 36463392. Its totient is φ = 10803936.

The previous prime is 22958363. The next prime is 22958399. The reversal of 22958398 is 89385922.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22958399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337590 + ... + 337657.

It is an arithmetic number, because the mean of its divisors is an integer number (4557924).

Almost surely, 2^22958398 is an apocalyptic number.

22958398 is a deficient number, since it is larger than the sum of its proper divisors (13504994).

22958398 is a wasteful number, since it uses less digits than its factorization.

22958398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675266.

The product of its digits is 311040, while the sum is 46.

The square root of 22958398 is about 4791.4922518981. The cubic root of 22958398 is about 284.2151299293.

It can be divided in two parts, 22 and 958398, that added together give a triangular number (958420 = T₁₃₈₄).

The spelling of 22958398 in words is "twenty-two million, nine hundred fifty-eight thousand, three hundred ninety-eight".