2661422898522 has 8 divisors (see below), whose sum is σ = 5322845797056. Its totient is φ = 887140966172.

The previous prime is 2661422898487. The next prime is 2661422898523. The reversal of 2661422898522 is 2258982241662.

It is a sphenic number, since it is the product of 3 distinct primes.

2661422898522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2661422898523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221785241538 + ... + 221785241549.

It is an arithmetic number, because the mean of its divisors is an integer number (665355724632).

Almost surely, 2^{2661422898522} is an apocalyptic number.

2661422898522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2661422898522 is a wasteful number, since it uses less digits than its factorization.

2661422898522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443570483092.

The product of its digits is 13271040, while the sum is 57.

The spelling of 2661422898522 in words is "two trillion, six hundred sixty-one billion, four hundred twenty-two million, eight hundred ninety-eight thousand, five hundred twenty-two".