400144313024222 has 16 divisors (see below), whose sum is σ = 656034533870352. Its totient is φ = 181925543004480.

The previous prime is 400144313024189. The next prime is 400144313024231. The reversal of 400144313024222 is 222420313441004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114851982479 + ... + 114851985962.

It is an arithmetic number, because the mean of its divisors is an integer number (41002158366897).

Almost surely, 2^{400144313024222} is an apocalyptic number.

400144313024222 is a deficient number, since it is larger than the sum of its proper divisors (255890220846130).

400144313024222 is a wasteful number, since it uses less digits than its factorization.

400144313024222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229703968523.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 400144313024222 its reverse (222420313441004), we get a palindrome (622564626465226).

The spelling of 400144313024222 in words is "four hundred trillion, one hundred forty-four billion, three hundred thirteen million, twenty-four thousand, two hundred twenty-two".