22718002 has 8 divisors (see below), whose sum is σ = 34159212. Its totient is φ = 11331600.

The previous prime is 22717999. The next prime is 22718011. The reversal of 22718002 is 20081722.

It can be written as a sum of positive squares in 2 ways, for example, as 15848361 + 6869641 = 3981^2 + 2621^2 .

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

It is a super-2 number, since 2×22718002² = 1032215229744008, which contains 22 as substring.

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, 12649 + ... + 14332.

Almost surely, 2^22718002 is an apocalyptic number.

22718002 is a deficient number, since it is larger than the sum of its proper divisors (11441210).

22718002 is a wasteful number, since it uses less digits than its factorization.

22718002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27404.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 22718002 is about 4766.3405249730. The cubic root of 22718002 is about 283.2196474314.

Adding to 22718002 its reverse (20081722), we get a palindrome (42799724).

The spelling of 22718002 in words is "twenty-two million, seven hundred eighteen thousand, two".