22481349 has 8 divisors (see below), whose sum is σ = 32700192. Its totient is φ = 13625040.

The previous prime is 22481341. The next prime is 22481357. The reversal of 22481349 is 94318422.

It is an interprime number because it is at equal distance from previous prime (22481341) and next prime (22481357).

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

It is not a de Polignac number, because 22481349 - 2³ = 22481341 is a prime.

It is a super-2 number, since 2×22481349² = 1010822105719602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 681253 = 22481349 / (2 + 2 + 4 + 8 + 1 + 3 + 4 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22481341) 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, 340594 + ... + 340659.

It is an arithmetic number, because the mean of its divisors is an integer number (4087524).

Almost surely, 2^22481349 is an apocalyptic number.

It is an amenable number.

22481349 is a deficient number, since it is larger than the sum of its proper divisors (10218843).

22481349 is a wasteful number, since it uses less digits than its factorization.

22481349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681267.

The product of its digits is 13824, while the sum is 33.

The square root of 22481349 is about 4741.4500946440. The cubic root of 22481349 is about 282.2327814873.

The spelling of 22481349 in words is "twenty-two million, four hundred eighty-one thousand, three hundred forty-nine".