19220223470544 has 120 divisors (see below), whose sum is σ = 56706644872800. Its totient is φ = 6060361317120.

The previous prime is 19220223470507. The next prime is 19220223470551. The reversal of 19220223470544 is 44507432202291.

19220223470544 is a `hidden beast` number, since 1 + 9 + 2 + 2 + 0 + 2 + 2 + 34 + 70 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 19220223470544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3505374 + ... + 7122365.

It is an arithmetic number, because the mean of its divisors is an integer number (472555373940).

Almost surely, 2^{19220223470544} is an apocalyptic number.

It is an amenable number.

19220223470544 is an abundant number, since it is smaller than the sum of its proper divisors (37486421402256).

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

19220223470544 is a wasteful number, since it uses less digits than its factorization.

19220223470544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10628433 (or 10628424 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 19220223470544 in words is "nineteen trillion, two hundred twenty billion, two hundred twenty-three million, four hundred seventy thousand, five hundred forty-four".