22298436 has 24 divisors (see below), whose sum is σ = 57811040. Its totient is φ = 7432776.

The previous prime is 22298429. The next prime is 22298443. The reversal of 22298436 is 63489222.

It is an interprime number because it is at equal distance from previous prime (22298429) and next prime (22298443).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22298436.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103126 + ... + 103341.

Almost surely, 2^22298436 is an apocalyptic number.

It is an amenable number.

22298436 is an abundant number, since it is smaller than the sum of its proper divisors (35512604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22298436 is a wasteful number, since it uses less digits than its factorization.

22298436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206480 (or 206472 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 22298436 is about 4722.1219806354. The cubic root of 22298436 is about 281.4652609809.

The spelling of 22298436 in words is "twenty-two million, two hundred ninety-eight thousand, four hundred thirty-six".