400352222 has 8 divisors (see below), whose sum is σ = 600613272. Its totient is φ = 200147800.

The previous prime is 400352203. The next prime is 400352263. The reversal of 400352222 is 222253004.

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 = 400352194 and 400352203.

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, 20072 + ... + 34692.

It is an arithmetic number, because the mean of its divisors is an integer number (75076659).

Almost surely, 2^400352222 is an apocalyptic number.

400352222 is a deficient number, since it is larger than the sum of its proper divisors (200261050).

400352222 is a wasteful number, since it uses less digits than its factorization.

400352222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28314.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 400352222 is about 20008.8036124102. The cubic root of 400352222 is about 737.0225024381.

The spelling of 400352222 in words is "four hundred million, three hundred fifty-two thousand, two hundred twenty-two".