1066450422 has 16 divisors (see below), whose sum is σ = 2137831920. Its totient is φ = 354661632.

The previous prime is 1066450391. The next prime is 1066450423. The reversal of 1066450422 is 2240546601.

It is a super-2 number, since 2×1066450422² = 2274633005167956168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066450422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066450423) 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, 202647 + ... + 207842.

It is an arithmetic number, because the mean of its divisors is an integer number (133614495).

Almost surely, 2^1066450422 is an apocalyptic number.

1066450422 is an abundant number, since it is smaller than the sum of its proper divisors (1071381498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1066450422 is a wasteful number, since it uses less digits than its factorization.

1066450422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410927.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1066450422 is about 32656.5525124744. The cubic root of 1066450422 is about 1021.6768592218.

The spelling of 1066450422 in words is "one billion, sixty-six million, four hundred fifty thousand, four hundred twenty-two".