1045622000 has 40 divisors (see below), whose sum is σ = 2528318832. Its totient is φ = 418248000.

The previous prime is 1045621991. The next prime is 1045622029. The reversal of 1045622000 is 2265401.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259406 + ... + 263405.

Almost surely, 2^1045622000 is an apocalyptic number.

1045622000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045622000 is an abundant number, since it is smaller than the sum of its proper divisors (1482696832).

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

1045622000 is an equidigital number, since it uses as much as digits as its factorization.

1045622000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522834 (or 522818 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1045622000 is about 32336.0789212298. The cubic root of 1045622000 is about 1014.9817593202.

Adding to 1045622000 its reverse (2265401), we get a palindrome (1047887401).

The spelling of 1045622000 in words is "one billion, forty-five million, six hundred twenty-two thousand".