1622545141 has 4 divisors (see below), whose sum is σ = 1854337312. Its totient is φ = 1390752972.

The previous prime is 1622545123. The next prime is 1622545153. The reversal of 1622545141 is 1415452261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1622545141 - 2⁷ = 1622545013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622545241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115896075 + ... + 115896088.

It is an arithmetic number, because the mean of its divisors is an integer number (463584328).

Almost surely, 2^1622545141 is an apocalyptic number.

It is an amenable number.

1622545141 is a deficient number, since it is larger than the sum of its proper divisors (231792171).

1622545141 is an equidigital number, since it uses as much as digits as its factorization.

1622545141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231792170.

The product of its digits is 9600, while the sum is 31.

The square root of 1622545141 is about 40280.8284547376. The cubic root of 1622545141 is about 1175.0750254795.

The spelling of 1622545141 in words is "one billion, six hundred twenty-two million, five hundred forty-five thousand, one hundred forty-one".