22247037 has 12 divisors (see below), whose sum is σ = 32200480. Its totient is φ = 14800968.

The previous prime is 22247023. The next prime is 22247053. The reversal of 22247037 is 73074222.

It is not a de Polignac number, because 22247037 - 2⁴ = 22247021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22247037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22247077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2664 + ... + 7182.

Almost surely, 2^22247037 is an apocalyptic number.

It is an amenable number.

22247037 is a deficient number, since it is larger than the sum of its proper divisors (9953443).

22247037 is a wasteful number, since it uses less digits than its factorization.

22247037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5072 (or 5069 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 22247037 is about 4716.6764781995. The cubic root of 22247037 is about 281.2488308100.

It can be divided in two parts, 2224 and 7037, that added together give a cube (9261 = 21³).

The spelling of 22247037 in words is "twenty-two million, two hundred forty-seven thousand, thirty-seven".