426440722 has 16 divisors (see below), whose sum is σ = 646820352. Its totient is φ = 210846240.

The previous prime is 426440719. The next prime is 426440771. The reversal of 426440722 is 227044624.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71383 + ... + 77125.

It is an arithmetic number, because the mean of its divisors is an integer number (40426272).

Almost surely, 2^426440722 is an apocalyptic number.

426440722 is a deficient number, since it is larger than the sum of its proper divisors (220379630).

426440722 is a wasteful number, since it uses less digits than its factorization.

426440722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6153.

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 426440722 is about 20650.4412059404. The cubic root of 426440722 is about 752.6959108456.

The spelling of 426440722 in words is "four hundred twenty-six million, four hundred forty thousand, seven hundred twenty-two".