22040371 has 8 divisors (see below), whose sum is σ = 23143680. Its totient is φ = 20949192.

The previous prime is 22040363. The next prime is 22040393. The reversal of 22040371 is 17304022.

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 22040371 - 2³ = 22040363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22040071) 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, 810 + ... + 6688.

It is an arithmetic number, because the mean of its divisors is an integer number (2892960).

Almost surely, 2^22040371 is an apocalyptic number.

22040371 is a deficient number, since it is larger than the sum of its proper divisors (1103309).

22040371 is a wasteful number, since it uses less digits than its factorization.

22040371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 22040371 is about 4694.7173503844. The cubic root of 22040371 is about 280.3752239839.

Adding to 22040371 its reverse (17304022), we get a palindrome (39344393).

The spelling of 22040371 in words is "twenty-two million, forty thousand, three hundred seventy-one".