2722536 has 24 divisors (see below), whose sum is σ = 7373730. Its totient is φ = 907488.

The previous prime is 2722507. The next prime is 2722541. The reversal of 2722536 is 6352272.

It can be written as a sum of positive squares in only one way, i.e., 2722500 + 36 = 1650^2 + 6^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18835 + ... + 18978.

2^2722536 is an apocalyptic number.

It is an amenable number.

2722536 is an abundant number, since it is smaller than the sum of its proper divisors (4651194).

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

2722536 is a wasteful number, since it uses less digits than its factorization.

2722536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37825 (or 37818 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 2722536 is about 1650.0109090548. The cubic root of 2722536 is about 139.6340100441.

It can be divided in two parts, 27225 and 36, that multiplied together give a square (980100 = 990²).

The spelling of 2722536 in words is "two million, seven hundred twenty-two thousand, five hundred thirty-six".