22474 has 8 divisors (see below), whose sum is σ = 35748. Its totient is φ = 10560.

The previous prime is 22469. The next prime is 22481. The reversal of 22474 is 47422.

22474 = T₁₀₄ + T₁₀₅ + ... + T₁₀₇.

It can be written as a sum of positive squares in 2 ways, for example, as 20449 + 2025 = 143^2 + 45^2 .

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

It is a plaindrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297 + ... + 364.

2²²⁴⁷⁴ is an apocalyptic number.

22474 is a deficient number, since it is larger than the sum of its proper divisors (13274).

22474 is a wasteful number, since it uses less digits than its factorization.

22474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its digits is 448, while the sum is 19.

The square root of 22474 is about 149.9133082818. The cubic root of 22474 is about 28.2202024810.

Adding to 22474 its product of digits (448), we get a palindrome (22922).

Adding to 22474 its reverse (47422), we get a palindrome (69896).

It can be divided in two parts, 22 and 474, that added together give a triangular number (496 = T₃₁).

The spelling of 22474 in words is "twenty-two thousand, four hundred seventy-four", and thus it is an iban number.