422752642 has 16 divisors (see below), whose sum is σ = 704938752. Its totient is φ = 188822160.

The previous prime is 422752609. The next prime is 422752643. The reversal of 422752642 is 246257224.

It is a junction number, because it is equal to n+sod(n) for n = 422752598 and 422752607.

It is not an unprimeable number, because it can be changed into a prime (422752643) 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, 261448 + ... + 263059.

It is an arithmetic number, because the mean of its divisors is an integer number (44058672).

Almost surely, 2^422752642 is an apocalyptic number.

422752642 is a deficient number, since it is larger than the sum of its proper divisors (282186110).

422752642 is a wasteful number, since it uses less digits than its factorization.

422752642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524553.

The product of its digits is 53760, while the sum is 34.

The square root of 422752642 is about 20560.9494430583. The cubic root of 422752642 is about 750.5197239144.

The spelling of 422752642 in words is "four hundred twenty-two million, seven hundred fifty-two thousand, six hundred forty-two".