22322242 has 8 divisors (see below), whose sum is σ = 33523776. Its totient is φ = 11147652.

The previous prime is 22322239. The next prime is 22322243. The reversal of 22322242 is 24222322.

It is a happy number.

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

It is a super-3 number, since 3×22322242³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22322243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4518 + ... + 8065.

It is an arithmetic number, because the mean of its divisors is an integer number (4190472).

Almost surely, 2^22322242 is an apocalyptic number.

22322242 is a deficient number, since it is larger than the sum of its proper divisors (11201534).

22322242 is a wasteful number, since it uses less digits than its factorization.

22322242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13472.

The product of its digits is 768, while the sum is 19.

The square root of 22322242 is about 4724.6419970195. The cubic root of 22322242 is about 281.5653902589.

Adding to 22322242 its reverse (24222322), we get a palindrome (46544564).

The spelling of 22322242 in words is "twenty-two million, three hundred twenty-two thousand, two hundred forty-two".