22410381 has 16 divisors (see below), whose sum is σ = 34363904. Its totient is φ = 12725424.

The previous prime is 22410379. The next prime is 22410389. The reversal of 22410381 is 18301422.

It is not a de Polignac number, because 22410381 - 2¹ = 22410379 is a prime.

It is a super-2 number, since 2×22410381² = 1004450353130322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22410389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150 + ... + 6696.

It is an arithmetic number, because the mean of its divisors is an integer number (2147744).

Almost surely, 2^22410381 is an apocalyptic number.

22410381 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22410381 is a deficient number, since it is larger than the sum of its proper divisors (11953523).

22410381 is a wasteful number, since it uses less digits than its factorization.

22410381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 22410381 is about 4733.9603927367. The cubic root of 22410381 is about 281.9354889907.

It can be divided in two parts, 22410 and 381, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 22410381 in words is "twenty-two million, four hundred ten thousand, three hundred eighty-one".