146889222 has 32 divisors (see below), whose sum is σ = 304456704. Its totient is φ = 47196000.

The previous prime is 146889217. The next prime is 146889229. The reversal of 146889222 is 222988641.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146889229) 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, 50097 + ... + 52947.

It is an arithmetic number, because the mean of its divisors is an integer number (9514272).

Almost surely, 2^146889222 is an apocalyptic number.

146889222 is an abundant number, since it is smaller than the sum of its proper divisors (157567482).

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

146889222 is a wasteful number, since it uses less digits than its factorization.

146889222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164.

The product of its digits is 110592, while the sum is 42.

The square root of 146889222 is about 12119.7863842561. The cubic root of 146889222 is about 527.6306027926.

The spelling of 146889222 in words is "one hundred forty-six million, eight hundred eighty-nine thousand, two hundred twenty-two".