22474321 has 8 divisors (see below), whose sum is σ = 23727200. Its totient is φ = 21228480.

The previous prime is 22474307. The next prime is 22474343. The reversal of 22474321 is 12347422.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22474321 - 2⁹ = 22473809 is a prime.

It is a super-2 number, since 2×22474321² = 1010190208822082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22474021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5641 + ... + 8761.

It is an arithmetic number, because the mean of its divisors is an integer number (2965900).

Almost surely, 2^22474321 is an apocalyptic number.

It is an amenable number.

22474321 is a deficient number, since it is larger than the sum of its proper divisors (1252879).

22474321 is a wasteful number, since it uses less digits than its factorization.

22474321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519.

The product of its digits is 2688, while the sum is 25.

The square root of 22474321 is about 4740.7089132323. The cubic root of 22474321 is about 282.2033683841.

The spelling of 22474321 in words is "twenty-two million, four hundred seventy-four thousand, three hundred twenty-one".