1022403420344 has 8 divisors (see below), whose sum is σ = 1917006413160. Its totient is φ = 511201710168.

The previous prime is 1022403420341. The next prime is 1022403420383. The reversal of 1022403420344 is 4430243042201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1022403420344² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022403420341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63900213764 + ... + 63900213779.

It is an arithmetic number, because the mean of its divisors is an integer number (239625801645).

Almost surely, 2^{1022403420344} is an apocalyptic number.

It is an amenable number.

1022403420344 is a deficient number, since it is larger than the sum of its proper divisors (894602992816).

1022403420344 is a wasteful number, since it uses less digits than its factorization.

1022403420344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127800427549 (or 127800427545 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 1022403420344 its reverse (4430243042201), we get a palindrome (5452646462545).

The spelling of 1022403420344 in words is "one trillion, twenty-two billion, four hundred three million, four hundred twenty thousand, three hundred forty-four".