1422326263572 has 36 divisors (see below), whose sum is σ = 3598888069140. Its totient is φ = 473638862592.

The previous prime is 1422326263571. The next prime is 1422326263577. The reversal of 1422326263572 is 2753626232241.

1422326263572 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 3 + 2 + 6 + 2 + 635 + 7 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1059013879056 + 363312384516 = 1029084^2 + 602754^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422326263571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19542003 + ... + 19614650.

Almost surely, 2^{1422326263572} is an apocalyptic number.

1422326263572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1422326263572 is an abundant number, since it is smaller than the sum of its proper divisors (2176561805568).

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

1422326263572 is a wasteful number, since it uses less digits than its factorization.

1422326263572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39157672 (or 39157667 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The spelling of 1422326263572 in words is "one trillion, four hundred twenty-two billion, three hundred twenty-six million, two hundred sixty-three thousand, five hundred seventy-two".