2262162640 has 80 divisors (see below), whose sum is σ = 5388226560. Its totient is φ = 882846720.

The previous prime is 2262162611. The next prime is 2262162641. The reversal of 2262162640 is 462612622.

2262162640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (2262162641) 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, 1537105 + ... + 1538575.

It is an arithmetic number, because the mean of its divisors is an integer number (67352832).

Almost surely, 2^2262162640 is an apocalyptic number.

2262162640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2262162640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2694113280).

2262162640 is an abundant number, since it is smaller than the sum of its proper divisors (3126063920).

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

2262162640 is a wasteful number, since it uses less digits than its factorization.

2262162640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940 (or 1934 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2262162640 is about 47562.1975943080. The cubic root of 2262162640 is about 1312.7275764411.

The spelling of 2262162640 in words is "two billion, two hundred sixty-two million, one hundred sixty-two thousand, six hundred forty".