442203402 has 16 divisors (see below), whose sum is σ = 885578112. Its totient is φ = 147205920.

The previous prime is 442203373. The next prime is 442203431. The reversal of 442203402 is 204302244.

It is an interprime number because it is at equal distance from previous prime (442203373) and next prime (442203431).

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, 43858 + ... + 52989.

It is an arithmetic number, because the mean of its divisors is an integer number (55348632).

Almost surely, 2^442203402 is an apocalyptic number.

442203402 is an abundant number, since it is smaller than the sum of its proper divisors (443374710).

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

442203402 is a wasteful number, since it uses less digits than its factorization.

442203402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97613.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 442203402 is about 21028.6329084893. The cubic root of 442203402 is about 761.8579898075.

Adding to 442203402 its reverse (204302244), we get a palindrome (646505646).

The spelling of 442203402 in words is "four hundred forty-two million, two hundred three thousand, four hundred two".