42224264 has 8 divisors (see below), whose sum is σ = 79170510. Its totient is φ = 21112128.

The previous prime is 42224257. The next prime is 42224269. The reversal of 42224264 is 46242224.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35307364 + 6916900 = 5942^2 + 2630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42224269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639009 + ... + 2639024.

Almost surely, 2^42224264 is an apocalyptic number.

It is an amenable number.

42224264 is a deficient number, since it is larger than the sum of its proper divisors (36946246).

42224264 is a wasteful number, since it uses less digits than its factorization.

42224264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278039 (or 5278035 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 42224264 is about 6498.0200061249. The cubic root of 42224264 is about 348.2202551593.

Adding to 42224264 its reverse (46242224), we get a palindrome (88466488).

The spelling of 42224264 in words is "forty-two million, two hundred twenty-four thousand, two hundred sixty-four".