2222543000 has 32 divisors (see below), whose sum is σ = 5200752960. Its totient is φ = 889016800.

The previous prime is 2222542951. The next prime is 2222543023. The reversal of 2222543000 is 3452222.

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, 1110272 + ... + 1112271.

It is an arithmetic number, because the mean of its divisors is an integer number (162523530).

Almost surely, 2^2222543000 is an apocalyptic number.

2222543000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222543000 is an abundant number, since it is smaller than the sum of its proper divisors (2978209960).

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

2222543000 is a wasteful number, since it uses less digits than its factorization.

2222543000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222564 (or 2222550 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2222543000 is about 47143.8543184581. The cubic root of 2222543000 is about 1305.0186674957.

Adding to 2222543000 its reverse (3452222), we get a palindrome (2225995222).

The spelling of 2222543000 in words is "two billion, two hundred twenty-two million, five hundred forty-three thousand".