47220894 has 40 divisors (see below), whose sum is σ = 120928368. Its totient is φ = 13491360.

The previous prime is 47220839. The next prime is 47220949. The reversal of 47220894 is 49802274.

It is an interprime number because it is at equal distance from previous prime (47220839) and next prime (47220949).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 19687 + ... + 21954.

Almost surely, 2^47220894 is an apocalyptic number.

47220894 is an abundant number, since it is smaller than the sum of its proper divisors (73707474).

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

47220894 is a wasteful number, since it uses less digits than its factorization.

47220894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41662 (or 41653 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 47220894 is about 6871.7460663211. The cubic root of 47220894 is about 361.4470919969.

The spelling of 47220894 in words is "forty-seven million, two hundred twenty thousand, eight hundred ninety-four".