22072695549 has 8 divisors (see below), whose sum is σ = 29431850112. Its totient is φ = 14714335680.

The previous prime is 22072695521. The next prime is 22072695563. The reversal of 22072695549 is 94559627022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22072695549 - 2²³ = 22064306941 is a prime.

It is a super-2 number, since 2×22072695549² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22072695149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130524 + ... + 247349.

It is an arithmetic number, because the mean of its divisors is an integer number (3678981264).

Almost surely, 2^22072695549 is an apocalyptic number.

It is an amenable number.

22072695549 is a deficient number, since it is larger than the sum of its proper divisors (7359154563).

22072695549 is a wasteful number, since it uses less digits than its factorization.

22072695549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397347.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 22072695549 in words is "twenty-two billion, seventy-two million, six hundred ninety-five thousand, five hundred forty-nine".