43022998 has 4 divisors (see below), whose sum is σ = 64534500. Its totient is φ = 21511498.

The previous prime is 43022963. The next prime is 43022999. The reversal of 43022998 is 89922034.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43022999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10755748 + ... + 10755751.

It is an arithmetic number, because the mean of its divisors is an integer number (16133625).

Almost surely, 2^43022998 is an apocalyptic number.

43022998 is a deficient number, since it is larger than the sum of its proper divisors (21511502).

43022998 is a wasteful number, since it uses less digits than its factorization.

43022998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21511501.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 43022998 is about 6559.1918709548. The cubic root of 43022998 is about 350.4022531617.

The spelling of 43022998 in words is "forty-three million, twenty-two thousand, nine hundred ninety-eight".