22441340 has 24 divisors (see below), whose sum is σ = 47230512. Its totient is φ = 8956800.

The previous prime is 22441339. The next prime is 22441357. The reversal of 22441340 is 4314422.

It is a super-2 number, since 2×22441340² = 1007227481991200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11087 + ... + 12953.

It is an arithmetic number, because the mean of its divisors is an integer number (1967938).

Almost surely, 2^22441340 is an apocalyptic number.

22441340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22441340 is an abundant number, since it is smaller than the sum of its proper divisors (24789172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22441340 is a wasteful number, since it uses less digits than its factorization.

22441340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477 (or 2475 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 22441340 is about 4737.2291479303. The cubic root of 22441340 is about 282.0652565980.

Adding to 22441340 its reverse (4314422), we get a palindrome (26755762).

The spelling of 22441340 in words is "twenty-two million, four hundred forty-one thousand, three hundred forty".