22322402 has 16 divisors (see below), whose sum is σ = 34759800. Its totient is φ = 10738560.

The previous prime is 22322371. The next prime is 22322429. The reversal of 22322402 is 20422322.

It can be written as a sum of positive squares in 4 ways, for example, as 22193521 + 128881 = 4711^2 + 359^2 .

It is a super-3 number, since 3×22322402³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23252 + ... + 24192.

Almost surely, 2^22322402 is an apocalyptic number.

22322402 is a deficient number, since it is larger than the sum of its proper divisors (12437398).

22322402 is a wasteful number, since it uses less digits than its factorization.

22322402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381.

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

The square root of 22322402 is about 4724.6589294890. The cubic root of 22322402 is about 281.5660629864.

Adding to 22322402 its reverse (20422322), we get a palindrome (42744724).

The spelling of 22322402 in words is "twenty-two million, three hundred twenty-two thousand, four hundred two".