401209222 has 8 divisors (see below), whose sum is σ = 603120672. Its totient is φ = 200169000.

The previous prime is 401209147. The next prime is 401209253. The reversal of 401209222 is 222902104.

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

It is a junction number, because it is equal to n+sod(n) for n = 401209193 and 401209202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216654 + ... + 218497.

It is an arithmetic number, because the mean of its divisors is an integer number (75390084).

Almost surely, 2^401209222 is an apocalyptic number.

401209222 is a deficient number, since it is larger than the sum of its proper divisors (201911450).

401209222 is a wasteful number, since it uses less digits than its factorization.

401209222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435614.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 401209222 is about 20030.2077373152. The cubic root of 401209222 is about 737.5480214637.

The spelling of 401209222 in words is "four hundred one million, two hundred nine thousand, two hundred twenty-two".