445222142306 has 4 divisors (see below), whose sum is σ = 667833213462. Its totient is φ = 222611071152.

The previous prime is 445222142303. The next prime is 445222142317. The reversal of 445222142306 is 603241222544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 436425390625 + 8796751681 = 660625^2 + 93791^2 .

It is a super-2 number, since 2×445222142306² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445222142303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111305535575 + ... + 111305535578.

Almost surely, 2^445222142306 is an apocalyptic number.

445222142306 is a deficient number, since it is larger than the sum of its proper divisors (222611071156).

445222142306 is a wasteful number, since it uses less digits than its factorization.

445222142306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222611071155.

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 445222142306 in words is "four hundred forty-five billion, two hundred twenty-two million, one hundred forty-two thousand, three hundred six".