1400223444442 has 32 divisors (see below), whose sum is σ = 2131310937600. Its totient is φ = 689824332288.

The previous prime is 1400223444343. The next prime is 1400223444443. The reversal of 1400223444442 is 2444443220041.

It is a junction number, because it is equal to n+sod(n) for n = 1400223444398 and 1400223444407.

It is not an unprimeable number, because it can be changed into a prime (1400223444443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284653659 + ... + 284658577.

It is an arithmetic number, because the mean of its divisors is an integer number (66603466800).

Almost surely, 2^{1400223444442} is an apocalyptic number.

1400223444442 is a deficient number, since it is larger than the sum of its proper divisors (731087493158).

1400223444442 is a wasteful number, since it uses less digits than its factorization.

1400223444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8350.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 1400223444442 its reverse (2444443220041), we get a palindrome (3844666664483).

The spelling of 1400223444442 in words is "one trillion, four hundred billion, two hundred twenty-three million, four hundred forty-four thousand, four hundred forty-two".