424420222 has 4 divisors (see below), whose sum is σ = 636630336. Its totient is φ = 212210110.

The previous prime is 424420201. The next prime is 424420247. The reversal of 424420222 is 222024424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 424420193 and 424420202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105054 + ... + 106105057.

It is an arithmetic number, because the mean of its divisors is an integer number (159157584).

Almost surely, 2^424420222 is an apocalyptic number.

424420222 is a deficient number, since it is larger than the sum of its proper divisors (212210114).

424420222 is a wasteful number, since it uses less digits than its factorization.

424420222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212210113.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 424420222 is about 20601.4616471745. The cubic root of 424420222 is about 751.5052566193.

Adding to 424420222 its reverse (222024424), we get a palindrome (646444646).

The spelling of 424420222 in words is "four hundred twenty-four million, four hundred twenty thousand, two hundred twenty-two".