147222000 has 120 divisors (see below), whose sum is σ = 514260240. Its totient is φ = 39254400.

The previous prime is 147221993. The next prime is 147222017. The reversal of 147222000 is 222741.

147222000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13911 + ... + 22089.

It is an arithmetic number, because the mean of its divisors is an integer number (4285502).

Almost surely, 2^147222000 is an apocalyptic number.

147222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257130120).

147222000 is an abundant number, since it is smaller than the sum of its proper divisors (367038240).

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

147222000 is a wasteful number, since it uses less digits than its factorization.

147222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208 (or 8189 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 147222000 is about 12133.5073247598. The cubic root of 147222000 is about 528.0287518778.

Adding to 147222000 its reverse (222741), we get a palindrome (147444741).

The spelling of 147222000 in words is "one hundred forty-seven million, two hundred twenty-two thousand".