22074981 has 8 divisors (see below), whose sum is σ = 29836800. Its totient is φ = 14514912.

The previous prime is 22074911. The next prime is 22074989. The reversal of 22074981 is 18947022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22074981 - 2⁷ = 22074853 is a prime.

It is a super-2 number, since 2×22074981² = 974609572300722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22074989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50181 + ... + 50618.

It is an arithmetic number, because the mean of its divisors is an integer number (3729600).

Almost surely, 2^22074981 is an apocalyptic number.

It is an amenable number.

22074981 is a deficient number, since it is larger than the sum of its proper divisors (7761819).

22074981 is a wasteful number, since it uses less digits than its factorization.

22074981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100875.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 22074981 is about 4698.4019623698. The cubic root of 22074981 is about 280.5219049940.

The spelling of 22074981 in words is "twenty-two million, seventy-four thousand, nine hundred eighty-one".