2122661292 has 48 divisors (see below), whose sum is σ = 5020807680. Its totient is φ = 697907392.

The previous prime is 2122661291. The next prime is 2122661311. The reversal of 2122661292 is 2921662212.

It is not an unprimeable number, because it can be changed into a prime (2122661291) 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, 303418 + ... + 310334.

It is an arithmetic number, because the mean of its divisors is an integer number (104600160).

Almost surely, 2^2122661292 is an apocalyptic number.

It is an amenable number.

2122661292 is an abundant number, since it is smaller than the sum of its proper divisors (2898146388).

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

2122661292 is a wasteful number, since it uses less digits than its factorization.

2122661292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7270 (or 7268 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 2122661292 is about 46072.3484532751. The cubic root of 2122661292 is about 1285.1689769560.

The spelling of 2122661292 in words is "two billion, one hundred twenty-two million, six hundred sixty-one thousand, two hundred ninety-two".