442102222452 has 48 divisors (see below), whose sum is σ = 1125418904064. Its totient is φ = 133962300000.

The previous prime is 442102222433. The next prime is 442102222469. The reversal of 442102222452 is 254222201244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2317377 + ... + 2500887.

It is an arithmetic number, because the mean of its divisors is an integer number (23446227168).

Almost surely, 2^442102222452 is an apocalyptic number.

It is an amenable number.

442102222452 is an abundant number, since it is smaller than the sum of its proper divisors (683316681612).

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

442102222452 is a wasteful number, since it uses less digits than its factorization.

442102222452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201780 (or 201778 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 442102222452 its reverse (254222201244), we get a palindrome (696324423696).

The spelling of 442102222452 in words is "four hundred forty-two billion, one hundred two million, two hundred twenty-two thousand, four hundred fifty-two".