22314442 has 4 divisors (see below), whose sum is σ = 33471666. Its totient is φ = 11157220.

The previous prime is 22314433. The next prime is 22314443. The reversal of 22314442 is 24441322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24441322 = 2 ⋅12220661.

It can be written as a sum of positive squares in only one way, i.e., 20061441 + 2253001 = 4479^2 + 1501^2 .

It is a super-3 number, since 3×22314442³ (a number of 23 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22314443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578609 + ... + 5578612.

Almost surely, 2^22314442 is an apocalyptic number.

22314442 is a deficient number, since it is larger than the sum of its proper divisors (11157224).

22314442 is a wasteful number, since it uses less digits than its factorization.

22314442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11157223.

The product of its digits is 1536, while the sum is 22.

The square root of 22314442 is about 4723.8164655287. The cubic root of 22314442 is about 281.5325908968.

Adding to 22314442 its reverse (24441322), we get a palindrome (46755764).

The spelling of 22314442 in words is "twenty-two million, three hundred fourteen thousand, four hundred forty-two".