74223331 has 32 divisors (see below), whose sum is σ = 95735808. Its totient is φ = 55969920.

The previous prime is 74223319. The next prime is 74223341. The reversal of 74223331 is 13332247.

It is a cyclic number.

It is not a de Polignac number, because 74223331 - 2⁵ = 74223299 is a prime.

It is a super-2 number, since 2×74223331² = 11018205729471122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74223296 and 74223305.

It is not an unprimeable number, because it can be changed into a prime (74223311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233985 + ... + 234301.

It is an arithmetic number, because the mean of its divisors is an integer number (2991744).

Almost surely, 2^74223331 is an apocalyptic number.

74223331 is a deficient number, since it is larger than the sum of its proper divisors (21512477).

74223331 is a wasteful number, since it uses less digits than its factorization.

74223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451.

The product of its digits is 3024, while the sum is 25.

The square root of 74223331 is about 8615.2963384900. The cubic root of 74223331 is about 420.2555719649.

Adding to 74223331 its reverse (13332247), we get a palindrome (87555578).

The spelling of 74223331 in words is "seventy-four million, two hundred twenty-three thousand, three hundred thirty-one".