22074210 has 24 divisors (see below), whose sum is σ = 57393180. Its totient is φ = 5886432.

The previous prime is 22074197. The next prime is 22074223. The reversal of 22074210 is 1247022.

It is an interprime number because it is at equal distance from previous prime (22074197) and next prime (22074223).

It can be written as a sum of positive squares in 2 ways, for example, as 21650409 + 423801 = 4653^2 + 651^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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 in 11 ways as a sum of consecutive naturals, for example, 122545 + ... + 122724.

Almost surely, 2^22074210 is an apocalyptic number.

22074210 is an abundant number, since it is smaller than the sum of its proper divisors (35318970).

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

22074210 is a wasteful number, since it uses less digits than its factorization.

22074210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245282 (or 245279 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 22074210 is about 4698.3199124794. The cubic root of 22074210 is about 280.5186390809.

The spelling of 22074210 in words is "twenty-two million, seventy-four thousand, two hundred ten".