147222747 has 24 divisors (see below), whose sum is σ = 253603584. Its totient is φ = 80468784.

The previous prime is 147222721. The next prime is 147222749. The reversal of 147222747 is 747222741.

It is a happy number.

147222747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 147222747 - 2⁷ = 147222619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147222749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49353 + ... + 52250.

It is an arithmetic number, because the mean of its divisors is an integer number (10566816).

Almost surely, 2^147222747 is an apocalyptic number.

147222747 is a deficient number, since it is larger than the sum of its proper divisors (106380837).

147222747 is a wasteful number, since it uses less digits than its factorization.

147222747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101639 (or 101636 counting only the distinct ones).

The product of its digits is 43904, while the sum is 36.

The square root of 147222747 is about 12133.5381072464. The cubic root of 147222747 is about 528.0296449437.

The spelling of 147222747 in words is "one hundred forty-seven million, two hundred twenty-two thousand, seven hundred forty-seven".