22253402 has 4 divisors (see below), whose sum is σ = 33380106. Its totient is φ = 11126700.

The previous prime is 22253401. The next prime is 22253417. The reversal of 22253402 is 20435222.

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., 20693401 + 1560001 = 4549^2 + 1249^2 .

It is not an unprimeable number, because it can be changed into a prime (22253401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5563349 + ... + 5563352.

Almost surely, 2^22253402 is an apocalyptic number.

22253402 is a deficient number, since it is larger than the sum of its proper divisors (11126704).

22253402 is a wasteful number, since it uses less digits than its factorization.

22253402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11126703.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22253402 is about 4717.3511635239. The cubic root of 22253402 is about 281.2756505330.

Adding to 22253402 its reverse (20435222), we get a palindrome (42688624).

The spelling of 22253402 in words is "twenty-two million, two hundred fifty-three thousand, four hundred two".