1085227590 has 16 divisors (see below), whose sum is σ = 2604546288. Its totient is φ = 289394016.

The previous prime is 1085227537. The next prime is 1085227597. The reversal of 1085227590 is 957225801.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085227597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18087097 + ... + 18087156.

It is an arithmetic number, because the mean of its divisors is an integer number (162784143).

Almost surely, 2^1085227590 is an apocalyptic number.

1085227590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1085227590 is an abundant number, since it is smaller than the sum of its proper divisors (1519318698).

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

1085227590 is a wasteful number, since it uses less digits than its factorization.

1085227590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36174263.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 1085227590 is about 32942.7926867168. The cubic root of 1085227590 is about 1027.6382845005.

The spelling of 1085227590 in words is "one billion, eighty-five million, two hundred twenty-seven thousand, five hundred ninety".