2122009974 has 80 divisors (see below), whose sum is σ = 5545188000. Its totient is φ = 606272688.

The previous prime is 2122009963. The next prime is 2122009979. The reversal of 2122009974 is 4799002212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122009979) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36472 + ... + 74660.

It is an arithmetic number, because the mean of its divisors is an integer number (69314850).

Almost surely, 2^2122009974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122009974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2772594000).

2122009974 is an abundant number, since it is smaller than the sum of its proper divisors (3423178026).

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

2122009974 is an equidigital number, since it uses as much as digits as its factorization.

2122009974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38224 (or 38201 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 2122009974 is about 46065.2794846618. The cubic root of 2122009974 is about 1285.0375163034.

The spelling of 2122009974 in words is "two billion, one hundred twenty-two million, nine thousand, nine hundred seventy-four".