22160322 has 12 divisors (see below), whose sum is σ = 48014070. Its totient is φ = 7386768.

The previous prime is 22160311. The next prime is 22160363. The reversal of 22160322 is 22306122.

It can be written as a sum of positive squares in only one way, i.e., 18844281 + 3316041 = 4341^2 + 1821^2 .

It is a super-2 number, since 2×22160322² = 982159742287368, which contains 22 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: 1231129 = 22160322 / (2 + 2 + 1 + 6 + 0 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 22160295 and 22160304.

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, 615547 + ... + 615582.

Almost surely, 2^22160322 is an apocalyptic number.

22160322 is an abundant number, since it is smaller than the sum of its proper divisors (25853748).

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

22160322 is a wasteful number, since it uses less digits than its factorization.

22160322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231137 (or 1231134 counting only the distinct ones).

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

The square root of 22160322 is about 4707.4751194244. The cubic root of 22160322 is about 280.8829356648.

Adding to 22160322 its reverse (22306122), we get a palindrome (44466444).

The spelling of 22160322 in words is "twenty-two million, one hundred sixty thousand, three hundred twenty-two".