147201222 has 32 divisors (see below), whose sum is σ = 336844800. Its totient is φ = 42009408.

The previous prime is 147201221. The next prime is 147201251. The reversal of 147201222 is 222102741.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147201221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52779 + ... + 55497.

It is an arithmetic number, because the mean of its divisors is an integer number (10526400).

Almost surely, 2^147201222 is an apocalyptic number.

147201222 is an abundant number, since it is smaller than the sum of its proper divisors (189643578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147201222 is a wasteful number, since it uses less digits than its factorization.

147201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4020.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 147201222 is about 12132.6510705616. The cubic root of 147201222 is about 528.0039098081.

Adding to 147201222 its reverse (222102741), we get a palindrome (369303963).

The spelling of 147201222 in words is "one hundred forty-seven million, two hundred one thousand, two hundred twenty-two".