47315722 has 16 divisors (see below), whose sum is σ = 72902592. Its totient is φ = 23018080.

The previous prime is 47315717. The next prime is 47315729. The reversal of 47315722 is 22751374.

It is a super-4 number, since 4×47315722⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (47315729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47643 + ... + 48625.

It is an arithmetic number, because the mean of its divisors is an integer number (4556412).

Almost surely, 2^47315722 is an apocalyptic number.

47315722 is a deficient number, since it is larger than the sum of its proper divisors (25586870).

47315722 is a wasteful number, since it uses less digits than its factorization.

47315722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613.

The product of its digits is 11760, while the sum is 31.

The square root of 47315722 is about 6878.6424532752. The cubic root of 47315722 is about 361.6888803513.

The spelling of 47315722 in words is "forty-seven million, three hundred fifteen thousand, seven hundred twenty-two".