147222550 has 48 divisors (see below), whose sum is σ = 291342960. Its totient is φ = 55157760.

The previous prime is 147222539. The next prime is 147222553. The reversal of 147222550 is 55222741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147222553) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 321922 + ... + 322378.

It is an arithmetic number, because the mean of its divisors is an integer number (6069645).

Almost surely, 2^147222550 is an apocalyptic number.

147222550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147222550 is a deficient number, since it is larger than the sum of its proper divisors (144120410).

147222550 is a wasteful number, since it uses less digits than its factorization.

147222550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 147222550 is about 12133.5299892488. The cubic root of 147222550 is about 528.0294094232.

The spelling of 147222550 in words is "one hundred forty-seven million, two hundred twenty-two thousand, five hundred fifty".