190225761 has 32 divisors (see below), whose sum is σ = 287971200. Its totient is φ = 110638080.

The previous prime is 190225757. The next prime is 190225787. The reversal of 190225761 is 167522091.

It is not a de Polignac number, because 190225761 - 2² = 190225757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (190225361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188025 + ... + 189033.

It is an arithmetic number, because the mean of its divisors is an integer number (8999100).

Almost surely, 2^190225761 is an apocalyptic number.

190225761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

190225761 is a deficient number, since it is larger than the sum of its proper divisors (97745439).

190225761 is a wasteful number, since it uses less digits than its factorization.

190225761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 190225761 is about 13792.2355330816. The cubic root of 190225761 is about 575.1173154454.

The spelling of 190225761 in words is "one hundred ninety million, two hundred twenty-five thousand, seven hundred sixty-one".