1622350121 has 8 divisors (see below), whose sum is σ = 1876453824. Its totient is φ = 1373831280.

The previous prime is 1622350109. The next prime is 1622350129. The reversal of 1622350121 is 1210532261.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1622350121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1622350129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395590 + ... + 1396751.

It is an arithmetic number, because the mean of its divisors is an integer number (234556728).

Almost surely, 2^1622350121 is an apocalyptic number.

It is an amenable number.

1622350121 is a deficient number, since it is larger than the sum of its proper divisors (254103703).

1622350121 is an equidigital number, since it uses as much as digits as its factorization.

1622350121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792431.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1622350121 is about 40278.4076274125. The cubic root of 1622350121 is about 1175.0279446500.

Adding to 1622350121 its reverse (1210532261), we get a palindrome (2832882382).

The spelling of 1622350121 in words is "one billion, six hundred twenty-two million, three hundred fifty thousand, one hundred twenty-one".