2782221610 has 32 divisors (see below), whose sum is σ = 5727490560. Its totient is φ = 953227392.

The previous prime is 2782221601. The next prime is 2782221643. The reversal of 2782221610 is 161222872.

It is a happy number.

2782221610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90726 + ... + 117454.

It is an arithmetic number, because the mean of its divisors is an integer number (178984080).

Almost surely, 2^2782221610 is an apocalyptic number.

2782221610 is an abundant number, since it is smaller than the sum of its proper divisors (2945268950).

2782221610 is a wasteful number, since it uses less digits than its factorization.

2782221610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28230.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 2782221610 is about 52746.7687161972. The cubic root of 2782221610 is about 1406.4703241028.

The spelling of 2782221610 in words is "two billion, seven hundred eighty-two million, two hundred twenty-one thousand, six hundred ten".