544421222 has 4 divisors (see below), whose sum is σ = 816631836. Its totient is φ = 272210610.

The previous prime is 544421221. The next prime is 544421281. The reversal of 544421222 is 222124445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222124445 = 5 ⋅44424889.

It is a junction number, because it is equal to n+sod(n) for n = 544421191 and 544421200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544421221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136105304 + ... + 136105307.

It is an arithmetic number, because the mean of its divisors is an integer number (204157959).

Almost surely, 2^544421222 is an apocalyptic number.

544421222 is a deficient number, since it is larger than the sum of its proper divisors (272210614).

544421222 is a wasteful number, since it uses less digits than its factorization.

544421222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272210613.

The product of its digits is 5120, while the sum is 26.

The square root of 544421222 is about 23332.8357042174. The cubic root of 544421222 is about 816.5416624627.

Adding to 544421222 its reverse (222124445), we get a palindrome (766545667).

The spelling of 544421222 in words is "five hundred forty-four million, four hundred twenty-one thousand, two hundred twenty-two".