22241140 has 12 divisors (see below), whose sum is σ = 46706436. Its totient is φ = 8896448.

The previous prime is 22241137. The next prime is 22241143. The reversal of 22241140 is 4114222.

It is an interprime number because it is at equal distance from previous prime (22241137) and next prime (22241143).

It can be written as a sum of positive squares in 2 ways, for example, as 7907344 + 14333796 = 2812^2 + 3786^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22241143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556009 + ... + 556048.

It is an arithmetic number, because the mean of its divisors is an integer number (3892203).

Almost surely, 2^22241140 is an apocalyptic number.

22241140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22241140 is an abundant number, since it is smaller than the sum of its proper divisors (24465296).

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

22241140 is a wasteful number, since it uses less digits than its factorization.

22241140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112066 (or 1112064 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 22241140 is about 4716.0513143943. The cubic root of 22241140 is about 281.2239784979.

Adding to 22241140 its reverse (4114222), we get a palindrome (26355362).

It can be divided in two parts, 2224 and 1140, that added together give a square (3364 = 58²).

The spelling of 22241140 in words is "twenty-two million, two hundred forty-one thousand, one hundred forty".