42272222 has 8 divisors (see below), whose sum is σ = 63480672. Its totient is φ = 21112000.

The previous prime is 42272213. The next prime is 42272231. The reversal of 42272222 is 22227224.

It is an interprime number because it is at equal distance from previous prime (42272213) and next prime (42272231).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9779 + ... + 13422.

It is an arithmetic number, because the mean of its divisors is an integer number (7935084).

Almost surely, 2^42272222 is an apocalyptic number.

42272222 is a deficient number, since it is larger than the sum of its proper divisors (21208450).

42272222 is a wasteful number, since it uses less digits than its factorization.

42272222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24114.

The product of its digits is 1792, while the sum is 23.

The square root of 42272222 is about 6501.7091599056. The cubic root of 42272222 is about 348.3520405898.

Adding to 42272222 its reverse (22227224), we get a palindrome (64499446).

It can be divided in two parts, 4227222 and 2, that added together give a palindrome (4227224).

The spelling of 42272222 in words is "forty-two million, two hundred seventy-two thousand, two hundred twenty-two".