400946222 has 8 divisors (see below), whose sum is σ = 609658176. Its totient is φ = 197726832.

The previous prime is 400946213. The next prime is 400946267. The reversal of 400946222 is 222649004.

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

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, 1372958 + ... + 1373249.

It is an arithmetic number, because the mean of its divisors is an integer number (76207272).

Almost surely, 2^400946222 is an apocalyptic number.

400946222 is a deficient number, since it is larger than the sum of its proper divisors (208711954).

400946222 is a wasteful number, since it uses less digits than its factorization.

400946222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746282.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 400946222 is about 20023.6415768960. The cubic root of 400946222 is about 737.3868274871.

The spelling of 400946222 in words is "four hundred million, nine hundred forty-six thousand, two hundred twenty-two".