1022141440 has 44 divisors (see below), whose sum is σ = 2451953916. Its totient is φ = 408854528.

The previous prime is 1022141399. The next prime is 1022141441. The reversal of 1022141440 is 441412201.

It can be written as a sum of positive squares in 2 ways, for example, as 209207296 + 812934144 = 14464^2 + 28512^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022141441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94699 + ... + 104938.

Almost surely, 2^1022141440 is an apocalyptic number.

1022141440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022141440 is an abundant number, since it is smaller than the sum of its proper divisors (1429812476).

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

1022141440 is an equidigital number, since it uses as much as digits as its factorization.

1022141440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199662 (or 199644 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1022141440 is about 31970.9468111284. The cubic root of 1022141440 is about 1007.3266688252.

Adding to 1022141440 its reverse (441412201), we get a palindrome (1463553641).

It can be divided in two parts, 10 and 22141440, that multiplied together give a square (221414400 = 14880²).

The spelling of 1022141440 in words is "one billion, twenty-two million, one hundred forty-one thousand, four hundred forty".