22343402 has 16 divisors (see below), whose sum is σ = 34774080. Its totient is φ = 10759392.

The previous prime is 22343381. The next prime is 22343407. The reversal of 22343402 is 20434322.

It is a super-2 number, since 2×22343402² = 998455225867208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22343407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4499 + ... + 8057.

It is an arithmetic number, because the mean of its divisors is an integer number (2173380).

Almost surely, 2^22343402 is an apocalyptic number.

22343402 is a deficient number, since it is larger than the sum of its proper divisors (12430678).

22343402 is a wasteful number, since it uses less digits than its factorization.

22343402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 22343402 is about 4726.8807896963. The cubic root of 22343402 is about 281.6543305795.

Adding to 22343402 its reverse (20434322), we get a palindrome (42777724).

The spelling of 22343402 in words is "twenty-two million, three hundred forty-three thousand, four hundred two".