1045665622 has 8 divisors (see below), whose sum is σ = 1571774400. Its totient is φ = 521740824.

The previous prime is 1045665587. The next prime is 1045665641. The reversal of 1045665622 is 2265665401.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544797 + ... + 546712.

It is an arithmetic number, because the mean of its divisors is an integer number (196471800).

Almost surely, 2^1045665622 is an apocalyptic number.

1045665622 is a deficient number, since it is larger than the sum of its proper divisors (526108778).

1045665622 is a wasteful number, since it uses less digits than its factorization.

1045665622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091990.

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

The square root of 1045665622 is about 32336.7534239292. The cubic root of 1045665622 is about 1014.9958737001.

The spelling of 1045665622 in words is "one billion, forty-five million, six hundred sixty-five thousand, six hundred twenty-two".