47220261 has 16 divisors (see below), whose sum is σ = 68802048. Its totient is φ = 28569200.

The previous prime is 47220253. The next prime is 47220287. The reversal of 47220261 is 16202274.

It is not a de Polignac number, because 47220261 - 2³ = 47220253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47220211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30496 + ... + 32006.

It is an arithmetic number, because the mean of its divisors is an integer number (4300128).

Almost surely, 2^47220261 is an apocalyptic number.

It is an amenable number.

47220261 is a deficient number, since it is larger than the sum of its proper divisors (21581787).

47220261 is a wasteful number, since it uses less digits than its factorization.

47220261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 47220261 is about 6871.7000080038. The cubic root of 47220261 is about 361.4454769136.

The spelling of 47220261 in words is "forty-seven million, two hundred twenty thousand, two hundred sixty-one".