94218974 has 4 divisors (see below), whose sum is σ = 141328464. Its totient is φ = 47109486.

The previous prime is 94218959. The next prime is 94218979. The reversal of 94218974 is 47981249.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47981249 = 43 ⋅1115843.

It is a super-2 number, since 2×94218974² = 17754430123225352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94218979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23554742 + ... + 23554745.

It is an arithmetic number, because the mean of its divisors is an integer number (35332116).

Almost surely, 2^94218974 is an apocalyptic number.

94218974 is a deficient number, since it is larger than the sum of its proper divisors (47109490).

94218974 is a wasteful number, since it uses less digits than its factorization.

94218974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47109489.

The product of its digits is 145152, while the sum is 44.

The square root of 94218974 is about 9706.6458676517. The cubic root of 94218974 is about 455.0363840003.

The spelling of 94218974 in words is "ninety-four million, two hundred eighteen thousand, nine hundred seventy-four".