902225190 has 32 divisors (see below), whose sum is σ = 2292714720. Its totient is φ = 226440704.

The previous prime is 902225171. The next prime is 902225221. The reversal of 902225190 is 91522209.

It is a super-2 number, since 2×902225190² = 1628020586941072200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884025 + ... + 885044.

It is an arithmetic number, because the mean of its divisors is an integer number (71647335).

Almost surely, 2^902225190 is an apocalyptic number.

902225190 is an abundant number, since it is smaller than the sum of its proper divisors (1390489530).

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

902225190 is a wasteful number, since it uses less digits than its factorization.

902225190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769096.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 902225190 is about 30037.0636048200. The cubic root of 902225190 is about 966.2844324434.

Adding to 902225190 its reverse (91522209), we get a palindrome (993747399).

The spelling of 902225190 in words is "nine hundred two million, two hundred twenty-five thousand, one hundred ninety".