400022224242 has 32 divisors (see below), whose sum is σ = 822311289792. Its totient is φ = 129635250624.

The previous prime is 400022224223. The next prime is 400022224247. The reversal of 400022224242 is 242422220004.

It is not an unprimeable number, because it can be changed into a prime (400022224247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422028 + ... + 989015.

It is an arithmetic number, because the mean of its divisors is an integer number (25697227806).

Almost surely, 2^400022224242 is an apocalyptic number.

400022224242 is an abundant number, since it is smaller than the sum of its proper divisors (422289065550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400022224242 is a wasteful number, since it uses less digits than its factorization.

400022224242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412362.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 400022224242 its reverse (242422220004), we get a palindrome (642444444246).

The spelling of 400022224242 in words is "four hundred billion, twenty-two million, two hundred twenty-four thousand, two hundred forty-two".