147222785 has 8 divisors (see below), whose sum is σ = 179304576. Its totient is φ = 116020080.

The previous prime is 147222781. The next prime is 147222797. The reversal of 147222785 is 587222741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 147222785 - 2² = 147222781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147222781) 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, 219401 + ... + 220070.

It is an arithmetic number, because the mean of its divisors is an integer number (22413072).

Almost surely, 2^147222785 is an apocalyptic number.

It is an amenable number.

147222785 is a deficient number, since it is larger than the sum of its proper divisors (32081791).

147222785 is an equidigital number, since it uses as much as digits as its factorization.

147222785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439543.

The product of its digits is 62720, while the sum is 38.

The square root of 147222785 is about 12133.5396731539. The cubic root of 147222785 is about 528.0296903740.

The spelling of 147222785 in words is "one hundred forty-seven million, two hundred twenty-two thousand, seven hundred eighty-five".