2656456422 has 32 divisors (see below), whose sum is σ = 5399611872. Its totient is φ = 871098624.

The previous prime is 2656456421. The next prime is 2656456423. The reversal of 2656456422 is 2246546562.

It is an interprime number because it is at equal distance from previous prime (2656456421) and next prime (2656456423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656456421) 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, 166248 + ... + 181524.

It is an arithmetic number, because the mean of its divisors is an integer number (168737871).

Almost surely, 2^2656456422 is an apocalyptic number.

2656456422 is an abundant number, since it is smaller than the sum of its proper divisors (2743155450).

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

2656456422 is a wasteful number, since it uses less digits than its factorization.

2656456422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15752.

The product of its digits is 691200, while the sum is 42.

The square root of 2656456422 is about 51540.8228688677. The cubic root of 2656456422 is about 1384.9504379993.

The spelling of 2656456422 in words is "two billion, six hundred fifty-six million, four hundred fifty-six thousand, four hundred twenty-two".