22349402 has 4 divisors (see below), whose sum is σ = 33524106. Its totient is φ = 11174700.

The previous prime is 22349323. The next prime is 22349417. The reversal of 22349402 is 20494322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15594601 + 6754801 = 3949^2 + 2599^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5587349 + ... + 5587352.

Almost surely, 2^22349402 is an apocalyptic number.

22349402 is a deficient number, since it is larger than the sum of its proper divisors (11174704).

22349402 is a wasteful number, since it uses less digits than its factorization.

22349402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11174703.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 22349402 is about 4727.5154150991. The cubic root of 22349402 is about 281.6795397328.

The spelling of 22349402 in words is "twenty-two million, three hundred forty-nine thousand, four hundred two".