1622370243 has 8 divisors (see below), whose sum is σ = 2329557328. Its totient is φ = 998381664.

The previous prime is 1622370221. The next prime is 1622370289. The reversal of 1622370243 is 3420732261.

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

It is not a de Polignac number, because 1622370243 - 2²¹ = 1620273091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1622370243.

It is not an unprimeable number, because it can be changed into a prime (1622370293) 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, 20799580 + ... + 20799657.

It is an arithmetic number, because the mean of its divisors is an integer number (291194666).

Almost surely, 2^1622370243 is an apocalyptic number.

1622370243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1622370243 is a deficient number, since it is larger than the sum of its proper divisors (707187085).

1622370243 is a wasteful number, since it uses less digits than its factorization.

1622370243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41599253.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 1622370243 is about 40278.6574130767. The cubic root of 1622370243 is about 1175.0328025851.

The spelling of 1622370243 in words is "one billion, six hundred twenty-two million, three hundred seventy thousand, two hundred forty-three".