326422220 has 24 divisors (see below), whose sum is σ = 697107600. Its totient is φ = 128355392.

The previous prime is 326422207. The next prime is 326422249. The reversal of 326422220 is 22224623.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137135 + ... + 139494.

It is an arithmetic number, because the mean of its divisors is an integer number (29046150).

Almost surely, 2^326422220 is an apocalyptic number.

It is an amenable number.

326422220 is an abundant number, since it is smaller than the sum of its proper divisors (370685380).

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

326422220 is a wasteful number, since it uses less digits than its factorization.

326422220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276697 (or 276695 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 326422220 is about 18067.1586033886. The cubic root of 326422220 is about 688.5358718330.

Adding to 326422220 its reverse (22224623), we get a palindrome (348646843).

The spelling of 326422220 in words is "three hundred twenty-six million, four hundred twenty-two thousand, two hundred twenty".