22062381 has 16 divisors (see below), whose sum is σ = 32222208. Its totient is φ = 13316400.

The previous prime is 22062377. The next prime is 22062389. The reversal of 22062381 is 18326022.

It is not a de Polignac number, because 22062381 - 2² = 22062377 is a prime.

It is a super-2 number, since 2×22062381² = 973497310778322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22062389) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7710 + ... + 10176.

It is an arithmetic number, because the mean of its divisors is an integer number (2013888).

Almost surely, 2^22062381 is an apocalyptic number.

It is an amenable number.

22062381 is a deficient number, since it is larger than the sum of its proper divisors (10159827).

22062381 is a wasteful number, since it uses less digits than its factorization.

22062381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2752.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22062381 is about 4697.0608895351. The cubic root of 22062381 is about 280.4685225591.

The spelling of 22062381 in words is "twenty-two million, sixty-two thousand, three hundred eighty-one".