22226402 has 8 divisors (see below), whose sum is σ = 36370512. Its totient is φ = 10102900.

The previous prime is 22226389. The next prime is 22226419. The reversal of 22226402 is 20462222.

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, 505124 + ... + 505167.

It is an arithmetic number, because the mean of its divisors is an integer number (4546314).

Almost surely, 2^22226402 is an apocalyptic number.

22226402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22226402 is a deficient number, since it is larger than the sum of its proper divisors (14144110).

22226402 is a wasteful number, since it uses less digits than its factorization.

22226402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010304.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 22226402 is about 4714.4885194473. The cubic root of 22226402 is about 281.1618474678.

Adding to 22226402 its reverse (20462222), we get a palindrome (42688624).

The spelling of 22226402 in words is "twenty-two million, two hundred twenty-six thousand, four hundred two".