400315210222 has 32 divisors (see below), whose sum is σ = 628511052672. Its totient is φ = 191020737024.

The previous prime is 400315210171. The next prime is 400315210241. The reversal of 400315210222 is 222012513004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 400315210193 and 400315210202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16746763 + ... + 16770649.

It is an arithmetic number, because the mean of its divisors is an integer number (19640970396).

Almost surely, 2^400315210222 is an apocalyptic number.

400315210222 is a deficient number, since it is larger than the sum of its proper divisors (228195842450).

400315210222 is a wasteful number, since it uses less digits than its factorization.

400315210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28252.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 400315210222 its reverse (222012513004), we get a palindrome (622327723226).

The spelling of 400315210222 in words is "four hundred billion, three hundred fifteen million, two hundred ten thousand, two hundred twenty-two".