422011542 has 32 divisors (see below), whose sum is σ = 872444160. Its totient is φ = 136012320.

The previous prime is 422011537. The next prime is 422011547. The reversal of 422011542 is 245110224.

It is an interprime number because it is at equal distance from previous prime (422011537) and next prime (422011547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422011547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11823 + ... + 31365.

It is an arithmetic number, because the mean of its divisors is an integer number (27263880).

Almost surely, 2^422011542 is an apocalyptic number.

422011542 is an abundant number, since it is smaller than the sum of its proper divisors (450432618).

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

422011542 is a wasteful number, since it uses less digits than its factorization.

422011542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19668.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 422011542 is about 20542.9195101378. The cubic root of 422011542 is about 750.0809050500.

Adding to 422011542 its reverse (245110224), we get a palindrome (667121766).

The spelling of 422011542 in words is "four hundred twenty-two million, eleven thousand, five hundred forty-two".