42722430 has 32 divisors (see below), whose sum is σ = 103223808. Its totient is φ = 11316000.

The previous prime is 42722429. The next prime is 42722453. The reversal of 42722430 is 3422724.

It is a self number, because there is not a number n which added to its sum of digits gives 42722430.

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, 186 + ... + 9245.

It is an arithmetic number, because the mean of its divisors is an integer number (3225744).

Almost surely, 2^42722430 is an apocalyptic number.

42722430 is an abundant number, since it is smaller than the sum of its proper divisors (60501378).

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

42722430 is a wasteful number, since it uses less digits than its factorization.

42722430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9592.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 42722430 is about 6536.2397446850. The cubic root of 42722430 is about 349.5843501190.

The spelling of 42722430 in words is "forty-two million, seven hundred twenty-two thousand, four hundred thirty".