22050740 has 12 divisors (see below), whose sum is σ = 46306596. Its totient is φ = 8820288.

The previous prime is 22050739. The next prime is 22050757. The reversal of 22050740 is 4705022.

It can be written as a sum of positive squares in 2 ways, for example, as 14455204 + 7595536 = 3802^2 + 2756^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1102537 = 22050740 / (2 + 2 + 0 + 5 + 0 + 7 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551249 + ... + 551288.

It is an arithmetic number, because the mean of its divisors is an integer number (3858883).

Almost surely, 2^22050740 is an apocalyptic number.

22050740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22050740 is an abundant number, since it is smaller than the sum of its proper divisors (24255856).

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

22050740 is a wasteful number, since it uses less digits than its factorization.

22050740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102546 (or 1102544 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 22050740 is about 4695.8215468648. The cubic root of 22050740 is about 280.4191850545.

Adding to 22050740 its reverse (4705022), we get a palindrome (26755762).

The spelling of 22050740 in words is "twenty-two million, fifty thousand, seven hundred forty".