1322245025642 has 32 divisors (see below), whose sum is σ = 2067337347840. Its totient is φ = 633791937600.

The previous prime is 1322245025639. The next prime is 1322245025671. The reversal of 1322245025642 is 2465205422231.

It is a junction number, because it is equal to n+sod(n) for n = 1322245025596 and 1322245025605.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105892 + ... + 1966592.

It is an arithmetic number, because the mean of its divisors is an integer number (64604292120).

Almost surely, 2^{1322245025642} is an apocalyptic number.

1322245025642 is a deficient number, since it is larger than the sum of its proper divisors (745092322198).

1322245025642 is a wasteful number, since it uses less digits than its factorization.

1322245025642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861086.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 1322245025642 in words is "one trillion, three hundred twenty-two billion, two hundred forty-five million, twenty-five thousand, six hundred forty-two".