2242706640 has 80 divisors (see below), whose sum is σ = 7361368128. Its totient is φ = 562874368.

The previous prime is 2242706633. The next prime is 2242706647. The reversal of 2242706640 is 466072422.

2242706640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2242706633) and next prime (2242706647).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242706647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270762 + ... + 278921.

Almost surely, 2^2242706640 is an apocalyptic number.

2242706640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2242706640 is an abundant number, since it is smaller than the sum of its proper divisors (5118661488).

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

2242706640 is a wasteful number, since it uses less digits than its factorization.

2242706640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549716 (or 549710 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 2242706640 is about 47357.2237361947. The cubic root of 2242706640 is about 1308.9533118916.

The spelling of 2242706640 in words is "two billion, two hundred forty-two million, seven hundred six thousand, six hundred forty".