2742221136 has 40 divisors (see below), whose sum is σ = 7105514464. Its totient is φ = 911306880.

The previous prime is 2742221123. The next prime is 2742221173. The reversal of 2742221136 is 6311222472.

2742221136 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 70411 + ... + 102186.

Almost surely, 2^2742221136 is an apocalyptic number.

It is an amenable number.

2742221136 is an abundant number, since it is smaller than the sum of its proper divisors (4363293328).

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

2742221136 is a wasteful number, since it uses less digits than its factorization.

2742221136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172939 (or 172933 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 2742221136 is about 52366.2213263474. The cubic root of 2742221136 is about 1399.6974067116.

The spelling of 2742221136 in words is "two billion, seven hundred forty-two million, two hundred twenty-one thousand, one hundred thirty-six".