190225397 has 8 divisors (see below), whose sum is σ = 201072960. Its totient is φ = 179461440.

The previous prime is 190225361. The next prime is 190225429. The reversal of 190225397 is 793522091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190225397 - 2⁶ = 190225333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190225397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190225337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16193 + ... + 25350.

It is an arithmetic number, because the mean of its divisors is an integer number (25134120).

Almost surely, 2^190225397 is an apocalyptic number.

It is an amenable number.

190225397 is a deficient number, since it is larger than the sum of its proper divisors (10847563).

190225397 is a wasteful number, since it uses less digits than its factorization.

190225397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41803.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 190225397 is about 13792.2223372450. Note that the first 3 decimals coincide. The cubic root of 190225397 is about 575.1169486131.

The spelling of 190225397 in words is "one hundred ninety million, two hundred twenty-five thousand, three hundred ninety-seven".