22222402 has 8 divisors (see below), whose sum is σ = 33645456. Its totient is φ = 11007252.

The previous prime is 22222391. The next prime is 22222411. The reversal of 22222402 is 20422222.

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

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, 51708 + ... + 52135.

It is an arithmetic number, because the mean of its divisors is an integer number (4205682).

Almost surely, 2^22222402 is an apocalyptic number.

22222402 is a deficient number, since it is larger than the sum of its proper divisors (11423054).

22222402 is a wasteful number, since it uses less digits than its factorization.

22222402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103952.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 22222402 is about 4714.0642761846. The cubic root of 22222402 is about 281.1449799175.

Adding to 22222402 its reverse (20422222), we get a palindrome (42644624).

It can be divided in two parts, 2222 and 2402, that added together give a square (4624 = 68²).

The spelling of 22222402 in words is "twenty-two million, two hundred twenty-two thousand, four hundred two".