22320162 has 12 divisors (see below), whose sum is σ = 48360390. Its totient is φ = 7440048.

The previous prime is 22320131. The next prime is 22320187. The reversal of 22320162 is 26102322.

It can be written as a sum of positive squares in only one way, i.e., 21261321 + 1058841 = 4611^2 + 1029^2 .

It is a super-3 number, since 3×22320162³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1240009 = 22320162 / (2 + 2 + 3 + 2 + 0 + 1 + 6 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619987 + ... + 620022.

Almost surely, 2^22320162 is an apocalyptic number.

22320162 is an abundant number, since it is smaller than the sum of its proper divisors (26040228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22320162 is a wasteful number, since it uses less digits than its factorization.

22320162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240017 (or 1240014 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 22320162 is about 4724.4218693931. The cubic root of 22320162 is about 281.5566445095.

Adding to 22320162 its reverse (26102322), we get a palindrome (48422484).

The spelling of 22320162 in words is "twenty-two million, three hundred twenty thousand, one hundred sixty-two".