203401222 has 8 divisors (see below), whose sum is σ = 307953576. Its totient is φ = 100750032.

The previous prime is 203401217. The next prime is 203401249. The reversal of 203401222 is 222104302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×203401222² = 82744114222186568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203401196 and 203401205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475023 + ... + 475450.

It is an arithmetic number, because the mean of its divisors is an integer number (38494197).

Almost surely, 2^203401222 is an apocalyptic number.

203401222 is a deficient number, since it is larger than the sum of its proper divisors (104552354).

203401222 is a wasteful number, since it uses less digits than its factorization.

203401222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950582.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 203401222 is about 14261.8800303466. The cubic root of 203401222 is about 588.1000088272.

Adding to 203401222 its reverse (222104302), we get a palindrome (425505524).

The spelling of 203401222 in words is "two hundred three million, four hundred one thousand, two hundred twenty-two".