421254722 has 16 divisors (see below), whose sum is σ = 745446912. Its totient is φ = 174713760.

The previous prime is 421254721. The next prime is 421254733. The reversal of 421254722 is 227452124.

It is not an unprimeable number, because it can be changed into a prime (421254721) 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, 484883 + ... + 485750.

It is an arithmetic number, because the mean of its divisors is an integer number (46590432).

Almost surely, 2^421254722 is an apocalyptic number.

421254722 is a deficient number, since it is larger than the sum of its proper divisors (324192190).

421254722 is a wasteful number, since it uses less digits than its factorization.

421254722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970673.

The product of its digits is 8960, while the sum is 29.

The square root of 421254722 is about 20524.4907854007. The cubic root of 421254722 is about 749.6322475588.

The spelling of 421254722 in words is "four hundred twenty-one million, two hundred fifty-four thousand, seven hundred twenty-two".