22160346 has 48 divisors (see below), whose sum is σ = 50438304. Its totient is φ = 6451488.

The previous prime is 22160311. The next prime is 22160363. The reversal of 22160346 is 64306122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27765 + ... + 28551.

It is an arithmetic number, because the mean of its divisors is an integer number (1050798).

Almost surely, 2^22160346 is an apocalyptic number.

22160346 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22160346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25219152).

22160346 is an abundant number, since it is smaller than the sum of its proper divisors (28277958).

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

22160346 is a wasteful number, since it uses less digits than its factorization.

22160346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22160346 is about 4707.4776685609. The cubic root of 22160346 is about 280.8830370651.

Adding to 22160346 its reverse (64306122), we get a palindrome (86466468).

The spelling of 22160346 in words is "twenty-two million, one hundred sixty thousand, three hundred forty-six".