1421343272622 has 64 divisors (see below), whose sum is σ = 3573131433984. Its totient is φ = 366884017920.

The previous prime is 1421343272621. The next prime is 1421343272677. The reversal of 1421343272622 is 2262723431241.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421343272621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27667879 + ... + 27719202.

It is an arithmetic number, because the mean of its divisors is an integer number (55830178656).

Almost surely, 2^{1421343272622} is an apocalyptic number.

1421343272622 is an abundant number, since it is smaller than the sum of its proper divisors (2151788161362).

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

1421343272622 is a wasteful number, since it uses less digits than its factorization.

1421343272622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55387153.

The product of its digits is 193536, while the sum is 39.

The spelling of 1421343272622 in words is "one trillion, four hundred twenty-one billion, three hundred forty-three million, two hundred seventy-two thousand, six hundred twenty-two".