1222542025413 has 32 divisors (see below), whose sum is σ = 1816883798400. Its totient is φ = 726671056896.

The previous prime is 1222542025391. The next prime is 1222542025429. The reversal of 1222542025413 is 3145202452221.

It is not a de Polignac number, because 1222542025413 - 2²¹ = 1222539928261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222542025433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30399723 + ... + 30439911.

It is an arithmetic number, because the mean of its divisors is an integer number (56777618700).

Almost surely, 2^{1222542025413} is an apocalyptic number.

It is an amenable number.

1222542025413 is a deficient number, since it is larger than the sum of its proper divisors (594341772987).

1222542025413 is a wasteful number, since it uses less digits than its factorization.

1222542025413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71621.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 1222542025413 its reverse (3145202452221), we get a palindrome (4367744477634).

The spelling of 1222542025413 in words is "one trillion, two hundred twenty-two billion, five hundred forty-two million, twenty-five thousand, four hundred thirteen".