326220442 has 8 divisors (see below), whose sum is σ = 489816756. Its totient is φ = 162948192.

The previous prime is 326220439. The next prime is 326220469. The reversal of 326220442 is 244022623.

It can be written as a sum of positive squares in 2 ways, for example, as 200533921 + 125686521 = 14161^2 + 11211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78483 + ... + 82534.

Almost surely, 2^326220442 is an apocalyptic number.

326220442 is a deficient number, since it is larger than the sum of its proper divisors (163596314).

326220442 is a wasteful number, since it uses less digits than its factorization.

326220442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162032.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 326220442 is about 18061.5736302239. The cubic root of 326220442 is about 688.3939697000.

The spelling of 326220442 in words is "three hundred twenty-six million, two hundred twenty thousand, four hundred forty-two".