1022112240 has 40 divisors (see below), whose sum is σ = 3168548688. Its totient is φ = 272563200.

The previous prime is 1022112229. The next prime is 1022112271. The reversal of 1022112240 is 422112201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129161 + ... + 2129640.

Almost surely, 2^1022112240 is an apocalyptic number.

1022112240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022112240 is an abundant number, since it is smaller than the sum of its proper divisors (2146436448).

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

1022112240 is a wasteful number, since it uses less digits than its factorization.

1022112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258817 (or 4258811 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1022112240 is about 31970.4901432555. The cubic root of 1022112240 is about 1007.3170764741.

Adding to 1022112240 its reverse (422112201), we get a palindrome (1444224441).

The spelling of 1022112240 in words is "one billion, twenty-two million, one hundred twelve thousand, two hundred forty".