1622021343 has 8 divisors (see below), whose sum is σ = 2164780800. Its totient is φ = 1080304728.

The previous prime is 1622021327. The next prime is 1622021347. The reversal of 1622021343 is 3431202261.

1622021343 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1622021343 - 2⁴ = 1622021327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622021347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257073 + ... + 263306.

It is an arithmetic number, because the mean of its divisors is an integer number (270597600).

Almost surely, 2^1622021343 is an apocalyptic number.

1622021343 is a deficient number, since it is larger than the sum of its proper divisors (542759457).

1622021343 is a wasteful number, since it uses less digits than its factorization.

1622021343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521421.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1622021343 is about 40274.3261023695. The cubic root of 1622021343 is about 1174.9485640378.

The spelling of 1622021343 in words is "one billion, six hundred twenty-two million, twenty-one thousand, three hundred forty-three".