1622066545 has 16 divisors (see below), whose sum is σ = 2134563840. Its totient is φ = 1173500800.

The previous prime is 1622066539. The next prime is 1622066549. The reversal of 1622066545 is 5456602261.

It is not a de Polignac number, because 1622066545 - 2²⁹ = 1085195633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1622066549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66700 + ... + 87709.

It is an arithmetic number, because the mean of its divisors is an integer number (133410240).

Almost surely, 2^1622066545 is an apocalyptic number.

It is an amenable number.

1622066545 is a deficient number, since it is larger than the sum of its proper divisors (512497295).

1622066545 is a wasteful number, since it uses less digits than its factorization.

1622066545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154616.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1622066545 is about 40274.8872748267. The cubic root of 1622066545 is about 1174.9594783068.

The spelling of 1622066545 in words is "one billion, six hundred twenty-two million, sixty-six thousand, five hundred forty-five".