223020772270440 has 64 divisors (see below), whose sum is σ = 669095792184960. Its totient is φ = 59469230350080.

The previous prime is 223020772270399. The next prime is 223020772270441. The reversal of 223020772270440 is 44072277020322.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 223020772270392 and 223020772270401.

It is not an unprimeable number, because it can be changed into a prime (223020772270441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44084659 + ... + 48882498.

It is an arithmetic number, because the mean of its divisors is an integer number (10454621752890).

Almost surely, 2^{223020772270440} is an apocalyptic number.

223020772270440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223020772270440 is an abundant number, since it is smaller than the sum of its proper divisors (446075019914520).

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

223020772270440 is a wasteful number, since it uses less digits than its factorization.

223020772270440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92987162 (or 92987158 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 42.

The spelling of 223020772270440 in words is "two hundred twenty-three trillion, twenty billion, seven hundred seventy-two million, two hundred seventy thousand, four hundred forty".