190225764 has 36 divisors (see below), whose sum is σ = 481650624. Its totient is φ = 63302832.

The previous prime is 190225757. The next prime is 190225787. The reversal of 190225764 is 467522091.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19209 + ... + 27375.

It is an arithmetic number, because the mean of its divisors is an integer number (13379184).

Almost surely, 2^190225764 is an apocalyptic number.

It is an amenable number.

190225764 is an abundant number, since it is smaller than the sum of its proper divisors (291424860).

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

190225764 is a wasteful number, since it uses less digits than its factorization.

190225764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8824 (or 8819 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 190225764 is about 13792.2356418385. The cubic root of 190225764 is about 575.1173184687.

The spelling of 190225764 in words is "one hundred ninety million, two hundred twenty-five thousand, seven hundred sixty-four".