22478479810 has 8 divisors (see below), whose sum is σ = 40461263676. Its totient is φ = 8991391920.

The previous prime is 22478479787. The next prime is 22478479831. The reversal of 22478479810 is 1897487422.

It can be written as a sum of positive squares in 2 ways, for example, as 22230511801 + 247968009 = 149099^2 + 15747^2 .

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

It is a super-2 number, since 2×22478479810² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1123923981 + ... + 1123924000.

Almost surely, 2^22478479810 is an apocalyptic number.

22478479810 is a deficient number, since it is larger than the sum of its proper divisors (17982783866).

22478479810 is a wasteful number, since it uses less digits than its factorization.

22478479810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247847988.

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 22478479810 in words is "twenty-two billion, four hundred seventy-eight million, four hundred seventy-nine thousand, eight hundred ten".