2197367772 has 24 divisors (see below), whose sum is σ = 5180051856. Its totient is φ = 724904448.

The previous prime is 2197367771. The next prime is 2197367773. The reversal of 2197367772 is 2777637912.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2197367771) and next prime (2197367773).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2197367771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942723 + ... + 945050.

It is an arithmetic number, because the mean of its divisors is an integer number (215835494).

Almost surely, 2^2197367772 is an apocalyptic number.

It is an amenable number.

2197367772 is an abundant number, since it is smaller than the sum of its proper divisors (2982684084).

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

2197367772 is a wasteful number, since it uses less digits than its factorization.

2197367772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887877 (or 1887875 counting only the distinct ones).

The product of its digits is 1555848, while the sum is 51.

The square root of 2197367772 is about 46876.0895553373. The cubic root of 2197367772 is about 1300.0725348088.

The spelling of 2197367772 in words is "two billion, one hundred ninety-seven million, three hundred sixty-seven thousand, seven hundred seventy-two".