400022003122 has 64 divisors (see below), whose sum is σ = 768725095680. Its totient is φ = 151977240576.

The previous prime is 400022003107. The next prime is 400022003131. The reversal of 400022003122 is 221300220004.

It is a junction number, because it is equal to n+sod(n) for n = 400022003096 and 400022003105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526638 + ... + 1037974.

It is an arithmetic number, because the mean of its divisors is an integer number (12011329620).

Almost surely, 2^400022003122 is an apocalyptic number.

400022003122 is a deficient number, since it is larger than the sum of its proper divisors (368703092558).

400022003122 is a wasteful number, since it uses less digits than its factorization.

400022003122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511555.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 400022003122 its reverse (221300220004), we get a palindrome (621322223126).

The spelling of 400022003122 in words is "four hundred billion, twenty-two million, three thousand, one hundred twenty-two".