2542222650 has 96 divisors (see below), whose sum is σ = 7115169600. Its totient is φ = 595033600.

The previous prime is 2542222633. The next prime is 2542222723. The reversal of 2542222650 is 562222452.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21286 + ... + 74414.

It is an arithmetic number, because the mean of its divisors is an integer number (74116350).

Almost surely, 2^2542222650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2542222650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3557584800).

2542222650 is an abundant number, since it is smaller than the sum of its proper divisors (4572946950).

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

2542222650 is a wasteful number, since it uses less digits than its factorization.

2542222650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53184 (or 53179 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2542222650 is about 50420.4586452761. The cubic root of 2542222650 is about 1364.8068532143.

The spelling of 2542222650 in words is "two billion, five hundred forty-two million, two hundred twenty-two thousand, six hundred fifty".