400244020222 has 32 divisors (see below), whose sum is σ = 610773696000. Its totient is φ = 196684395168.

The previous prime is 400244020219. The next prime is 400244020279. The reversal of 400244020222 is 222020442004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 400244020193 and 400244020202.

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, 41953929 + ... + 41963467.

It is an arithmetic number, because the mean of its divisors is an integer number (19086678000).

Almost surely, 2^400244020222 is an apocalyptic number.

400244020222 is a deficient number, since it is larger than the sum of its proper divisors (210529675778).

400244020222 is a wasteful number, since it uses less digits than its factorization.

400244020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 400244020222 its reverse (222020442004), we get a palindrome (622264462226).

The spelling of 400244020222 in words is "four hundred billion, two hundred forty-four million, twenty thousand, two hundred twenty-two".