203225990 has 32 divisors (see below), whose sum is σ = 422540064. Its totient is φ = 69552640.

The previous prime is 203225989. The next prime is 203226011. The reversal of 203225990 is 99522302.

It is a happy number.

It is a super-2 number, since 2×203225990² = 82601606022960200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52469 + ... + 56208.

It is an arithmetic number, because the mean of its divisors is an integer number (13204377).

Almost surely, 2^203225990 is an apocalyptic number.

203225990 is an abundant number, since it is smaller than the sum of its proper divisors (219314074).

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

203225990 is a wasteful number, since it uses less digits than its factorization.

203225990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108712.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 203225990 is about 14255.7353370494. The cubic root of 203225990 is about 587.9310758060.

The spelling of 203225990 in words is "two hundred three million, two hundred twenty-five thousand, nine hundred ninety".