224207019919936 has 21 divisors (see below), whose sum is σ = 444911042858761. Its totient is φ = 112103450065792.

The previous prime is 224207019919919. The next prime is 224207019919969. The reversal of 224207019919936 is 639919910702422.

The square root of 224207019919936 is 14973544.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 217584920577600 + 6622099342336 = 14750760^2 + 2573344^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 118852506 + ... + 120724198.

Almost surely, 2^{224207019919936} is an apocalyptic number.

224207019919936 is the 14973544-th square number.

It is an amenable number.

224207019919936 is a deficient number, since it is larger than the sum of its proper divisors (220704022938825).

224207019919936 is an frugal number, since it uses more digits than its factorization.

224207019919936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743398 (or 1871695 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 64.

224207019919936 divided by its sum of digits (64) gives a square (3503234686249 = 1871693²).

The spelling of 224207019919936 in words is "two hundred twenty-four trillion, two hundred seven billion, nineteen million, nine hundred nineteen thousand, nine hundred thirty-six".