1022205001543 has 16 divisors (see below), whose sum is σ = 1129338086400. Its totient is φ = 917441347680.

The previous prime is 1022205001429. The next prime is 1022205001547. The reversal of 1022205001543 is 3451005022201.

1022205001543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-1022205001543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022205001547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12980973 + ... + 13059481.

It is an arithmetic number, because the mean of its divisors is an integer number (70583630400).

Almost surely, 2^{1022205001543} is an apocalyptic number.

1022205001543 is a deficient number, since it is larger than the sum of its proper divisors (107133084857).

1022205001543 is a wasteful number, since it uses less digits than its factorization.

1022205001543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93582.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 1022205001543 in words is "one trillion, twenty-two billion, two hundred five million, one thousand, five hundred forty-three".