22270336 has 32 divisors (see below), whose sum is σ = 48403080. Its totient is φ = 10122240.

The previous prime is 22270319. The next prime is 22270343. The reversal of 22270336 is 63307222.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 22270336.

It is a congruent number.

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, 6501 + ... + 9316.

Almost surely, 2^22270336 is an apocalyptic number.

It is an amenable number.

22270336 is an abundant number, since it is smaller than the sum of its proper divisors (26132744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22270336 is a wasteful number, since it uses less digits than its factorization.

22270336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15842 (or 15830 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 22270336 is about 4719.1456853969. The cubic root of 22270336 is about 281.3469791654.

Adding to 22270336 its reverse (63307222), we get a palindrome (85577558).

The spelling of 22270336 in words is "twenty-two million, two hundred seventy thousand, three hundred thirty-six".