22062281 has 8 divisors (see below), whose sum is σ = 22334400. Its totient is φ = 21792112.

The previous prime is 22062263. The next prime is 22062289. The reversal of 22062281 is 18226022.

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

It is a cyclic number.

It is not a de Polignac number, because 22062281 - 2⁶ = 22062217 is a prime.

It is a super-2 number, since 2×22062281² = 973488485845922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22062289) 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, 38906 + ... + 39468.

It is an arithmetic number, because the mean of its divisors is an integer number (2791800).

Almost surely, 2^22062281 is an apocalyptic number.

It is an amenable number.

22062281 is a deficient number, since it is larger than the sum of its proper divisors (272119).

22062281 is a wasteful number, since it uses less digits than its factorization.

22062281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 22062281 is about 4697.0502445684. The cubic root of 22062281 is about 280.4680988077.

The spelling of 22062281 in words is "twenty-two million, sixty-two thousand, two hundred eighty-one".