47322261 has 12 divisors (see below), whose sum is σ = 78119392. Its totient is φ = 27041256.

The previous prime is 47322259. The next prime is 47322283. The reversal of 47322261 is 16222374.

It is not a de Polignac number, because 47322261 - 2¹ = 47322259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47322221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375511 + ... + 375636.

Almost surely, 2^47322261 is an apocalyptic number.

It is an amenable number.

47322261 is a deficient number, since it is larger than the sum of its proper divisors (30797131).

47322261 is a wasteful number, since it uses less digits than its factorization.

47322261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751160 (or 751157 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 47322261 is about 6879.1177486652. The cubic root of 47322261 is about 361.7055413014.

The spelling of 47322261 in words is "forty-seven million, three hundred twenty-two thousand, two hundred sixty-one".