47770228 has 12 divisors (see below), whose sum is σ = 91197792. Its totient is φ = 21713720.

The previous prime is 47770211. The next prime is 47770243. The reversal of 47770228 is 82207774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542800 + ... + 542887.

It is an arithmetic number, because the mean of its divisors is an integer number (7599816).

Almost surely, 2^47770228 is an apocalyptic number.

It is an amenable number.

47770228 is a deficient number, since it is larger than the sum of its proper divisors (43427564).

47770228 is a wasteful number, since it uses less digits than its factorization.

47770228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085702 (or 1085700 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 47770228 is about 6911.6009722784. The cubic root of 47770228 is about 362.8432971402.

The spelling of 47770228 in words is "forty-seven million, seven hundred seventy thousand, two hundred twenty-eight".