338544442 has 4 divisors (see below), whose sum is σ = 507816666. Its totient is φ = 169272220.

The previous prime is 338544407. The next prime is 338544457. The reversal of 338544442 is 244445833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244445833 = 11329 ⋅21577.

It can be written as a sum of positive squares in only one way, i.e., 305585361 + 32959081 = 17481^2 + 5741^2 .

It is a super-2 number, since 2×338544442² = 229224678418182728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84636109 + ... + 84636112.

Almost surely, 2^338544442 is an apocalyptic number.

338544442 is a deficient number, since it is larger than the sum of its proper divisors (169272224).

338544442 is a wasteful number, since it uses less digits than its factorization.

338544442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169272223.

The product of its digits is 184320, while the sum is 37.

The square root of 338544442 is about 18399.5772234038. The cubic root of 338544442 is about 696.9557884634.

The spelling of 338544442 in words is "three hundred thirty-eight million, five hundred forty-four thousand, four hundred forty-two".