2261772146 has 8 divisors (see below), whose sum is σ = 3394926000. Its totient is φ = 1130130148.

The previous prime is 2261772119. The next prime is 2261772167. The reversal of 2261772146 is 6412771622.

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

It is a super-2 number, since 2×2261772146² = 10231226480842890632, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 374216 + ... + 380211.

It is an arithmetic number, because the mean of its divisors is an integer number (424365750).

Almost surely, 2^2261772146 is an apocalyptic number.

2261772146 is a deficient number, since it is larger than the sum of its proper divisors (1133153854).

2261772146 is a wasteful number, since it uses less digits than its factorization.

2261772146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755928.

The product of its digits is 56448, while the sum is 38.

The square root of 2261772146 is about 47558.0923292766. The cubic root of 2261772146 is about 1312.6520378493.

The spelling of 2261772146 in words is "two billion, two hundred sixty-one million, seven hundred seventy-two thousand, one hundred forty-six".