427222724 has 6 divisors (see below), whose sum is σ = 747639774. Its totient is φ = 213611360.

The previous prime is 427222669. The next prime is 427222727.

427222724 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 246804100 + 180418624 = 15710^2 + 13432^2 .

It is not an unprimeable number, because it can be changed into a prime (427222727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53402837 + ... + 53402844.

It is an arithmetic number, because the mean of its divisors is an integer number (124606629).

Almost surely, 2^427222724 is an apocalyptic number.

It is an amenable number.

427222724 is a deficient number, since it is larger than the sum of its proper divisors (320417050).

427222724 is a wasteful number, since it uses less digits than its factorization.

427222724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106805685 (or 106805683 counting only the distinct ones).

The product of its digits is 25088, while the sum is 32.

The square root of 427222724 is about 20669.3668021060. The cubic root of 427222724 is about 753.1557248738.

The spelling of 427222724 in words is "four hundred twenty-seven million, two hundred twenty-two thousand, seven hundred twenty-four".