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BaseRepresentation
bin111111110010100…
…1000110110100110
312112011121201110110
41333211020312212
513340423121042
6552221033450
7104020312515
oct17745106646
95464551413
102140442022
119a9250854
124b89b5886
132815aa954
141643b667c
15c7da509c
hex7f948da6

2140442022 has 16 divisors (see below), whose sum is σ = 4281470640. Its totient is φ = 713382912.

The previous prime is 2140441991. The next prime is 2140442039. The reversal of 2140442022 is 2202440412.

It is a self number, because there is not a number n which added to its sum of digits gives 2140442022.

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, 33598 + ... + 73550.

It is an arithmetic number, because the mean of its divisors is an integer number (267591915).

Almost surely, 22140442022 is an apocalyptic number.

2140442022 is an abundant number, since it is smaller than the sum of its proper divisors (2141028618).

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

2140442022 is a wasteful number, since it uses less digits than its factorization.

2140442022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48887.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 2140442022 is about 46264.9113475861. The cubic root of 2140442022 is about 1288.7474615921.

Adding to 2140442022 its reverse (2202440412), we get a palindrome (4342882434).

The spelling of 2140442022 in words is "two billion, one hundred forty million, four hundred forty-two thousand, twenty-two".