190522990 has 32 divisors (see below), whose sum is σ = 402531264. Its totient is φ = 63555840.

The previous prime is 190522979. The next prime is 190522999. The reversal of 190522990 is 99225091.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190522999) 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, 34191 + ... + 39370.

It is an arithmetic number, because the mean of its divisors is an integer number (12579102).

Almost surely, 2^190522990 is an apocalyptic number.

190522990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190522990 is an abundant number, since it is smaller than the sum of its proper divisors (212008274).

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

190522990 is a wasteful number, since it uses less digits than its factorization.

190522990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73612.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 190522990 is about 13803.0065565441. The cubic root of 190522990 is about 575.4167010954.

The spelling of 190522990 in words is "one hundred ninety million, five hundred twenty-two thousand, nine hundred ninety".