422254542 has 16 divisors (see below), whose sum is σ = 844710480. Its totient is φ = 140717952.

The previous prime is 422254541. The next prime is 422254543. The reversal of 422254542 is 245452224.

It is an interprime number because it is at equal distance from previous prime (422254541) and next prime (422254543).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422254541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44968 + ... + 53540.

It is an arithmetic number, because the mean of its divisors is an integer number (52794405).

Almost surely, 2^422254542 is an apocalyptic number.

422254542 is an abundant number, since it is smaller than the sum of its proper divisors (422455938).

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

422254542 is a wasteful number, since it uses less digits than its factorization.

422254542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16787.

The product of its digits is 25600, while the sum is 30.

The square root of 422254542 is about 20548.8331055561. The cubic root of 422254542 is about 750.2248463632.

The spelling of 422254542 in words is "four hundred twenty-two million, two hundred fifty-four thousand, five hundred forty-two".