2222061140 has 24 divisors (see below), whose sum is σ = 5025277320. Its totient is φ = 820453248.

The previous prime is 2222061137. The next prime is 2222061217. The reversal of 2222061140 is 411602222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 203176516 + 2018884624 = 14254^2 + 44932^2 .

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, 4272935 + ... + 4273454.

It is an arithmetic number, because the mean of its divisors is an integer number (209386555).

Almost surely, 2^2222061140 is an apocalyptic number.

2222061140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222061140 is an abundant number, since it is smaller than the sum of its proper divisors (2803216180).

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

2222061140 is a wasteful number, since it uses less digits than its factorization.

2222061140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8546411 (or 8546409 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2222061140 is about 47138.7435131655. The cubic root of 2222061140 is about 1304.9243488488.

Adding to 2222061140 its reverse (411602222), we get a palindrome (2633663362).

The spelling of 2222061140 in words is "two billion, two hundred twenty-two million, sixty-one thousand, one hundred forty".