190022425 has 24 divisors (see below), whose sum is σ = 239995800. Its totient is φ = 149230080.

The previous prime is 190022423. The next prime is 190022429. The reversal of 190022425 is 524220091.

It can be written as a sum of positive squares in 12 ways, for example, as 9066121 + 180956304 = 3011^2 + 13452^2 .

It is not a de Polignac number, because 190022425 - 2¹ = 190022423 is a prime.

It is a super-2 number, since 2×190022425² = 72217044005761250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 190022425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190022423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373071 + ... + 373579.

It is an arithmetic number, because the mean of its divisors is an integer number (9999825).

Almost surely, 2^190022425 is an apocalyptic number.

It is an amenable number.

190022425 is a deficient number, since it is larger than the sum of its proper divisors (49973375).

190022425 is a wasteful number, since it uses less digits than its factorization.

190022425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 190022425 is about 13784.8621683352. The cubic root of 190022425 is about 574.9123243761.

The spelling of 190022425 in words is "one hundred ninety million, twenty-two thousand, four hundred twenty-five".