1540304022 has 16 divisors (see below), whose sum is σ = 3146153472. Its totient is φ = 502510440.

The previous prime is 1540304021. The next prime is 1540304063. The reversal of 1540304022 is 2204030451.

It is a self number, because there is not a number n which added to its sum of digits gives 1540304022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540304021) 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, 2730754 + ... + 2731317.

It is an arithmetic number, because the mean of its divisors is an integer number (196634592).

Almost surely, 2^1540304022 is an apocalyptic number.

1540304022 is an abundant number, since it is smaller than the sum of its proper divisors (1605849450).

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

1540304022 is a wasteful number, since it uses less digits than its factorization.

1540304022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462123.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1540304022 is about 39246.7071484985. The cubic root of 1540304022 is about 1154.8763376533.

Adding to 1540304022 its reverse (2204030451), we get a palindrome (3744334473).

The spelling of 1540304022 in words is "one billion, five hundred forty million, three hundred four thousand, twenty-two".