22320674 has 4 divisors (see below), whose sum is σ = 33481014. Its totient is φ = 11160336.

The previous prime is 22320667. The next prime is 22320679. The reversal of 22320674 is 47602322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47602322 = 2 ⋅23801161.

It can be written as a sum of positive squares in only one way, i.e., 17280649 + 5040025 = 4157^2 + 2245^2 .

It is a super-3 number, since 3×22320674³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22320679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580167 + ... + 5580170.

Almost surely, 2^22320674 is an apocalyptic number.

22320674 is a deficient number, since it is larger than the sum of its proper divisors (11160340).

22320674 is a wasteful number, since it uses less digits than its factorization.

22320674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160339.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 22320674 is about 4724.4760556066. The cubic root of 22320674 is about 281.5587973598.

Adding to 22320674 its reverse (47602322), we get a palindrome (69922996).

The spelling of 22320674 in words is "twenty-two million, three hundred twenty thousand, six hundred seventy-four".