22340402 has 8 divisors (see below), whose sum is σ = 38297856. Its totient is φ = 9574452.

The previous prime is 22340399. The next prime is 22340419. The reversal of 22340402 is 20404322.

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, 797858 + ... + 797885.

It is an arithmetic number, because the mean of its divisors is an integer number (4787232).

Almost surely, 2^22340402 is an apocalyptic number.

22340402 is a deficient number, since it is larger than the sum of its proper divisors (15957454).

22340402 is a wasteful number, since it uses less digits than its factorization.

22340402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595752.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22340402 is about 4726.5634450412. The cubic root of 22340402 is about 281.6417243104.

Adding to 22340402 its reverse (20404322), we get a palindrome (42744724).

The spelling of 22340402 in words is "twenty-two million, three hundred forty thousand, four hundred two".