2772421331 has 8 divisors (see below), whose sum is σ = 2784466800. Its totient is φ = 2760389280.

The previous prime is 2772421321. The next prime is 2772421349. The reversal of 2772421331 is 1331242772.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2772421331 is a prime.

It is a super-2 number, since 2×2772421331² = 15372640073167623122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2772421321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797465 + ... + 800933.

It is an arithmetic number, because the mean of its divisors is an integer number (348058350).

Almost surely, 2^2772421331 is an apocalyptic number.

2772421331 is a deficient number, since it is larger than the sum of its proper divisors (12045469).

2772421331 is a wasteful number, since it uses less digits than its factorization.

2772421331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709.

The product of its digits is 14112, while the sum is 32.

The square root of 2772421331 is about 52653.7874326244. The cubic root of 2772421331 is about 1404.8169669920.

The spelling of 2772421331 in words is "two billion, seven hundred seventy-two million, four hundred twenty-one thousand, three hundred thirty-one".