22075442397 has 12 divisors (see below), whose sum is σ = 31975575840. Its totient is φ = 14675965128.

The previous prime is 22075442381. The next prime is 22075442399. The reversal of 22075442397 is 79324457022.

22075442397 is a `hidden beast` number, since 2 + 207 + 54 + 4 + 2 + 397 = 666.

It is not a de Polignac number, because 22075442397 - 2⁴ = 22075442381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22075442399) 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, 3412963 + ... + 3419424.

It is an arithmetic number, because the mean of its divisors is an integer number (2664631320).

Almost surely, 2^22075442397 is an apocalyptic number.

It is an amenable number.

22075442397 is a deficient number, since it is larger than the sum of its proper divisors (9900133443).

22075442397 is a wasteful number, since it uses less digits than its factorization.

22075442397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6832752 (or 6832749 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 22075442397 in words is "twenty-two billion, seventy-five million, four hundred forty-two thousand, three hundred ninety-seven".