1022451630 has 64 divisors (see below), whose sum is σ = 2512926720. Its totient is φ = 266125824.

The previous prime is 1022451629. The next prime is 1022451631. The reversal of 1022451630 is 361542201.

It is an interprime number because it is at equal distance from previous prime (1022451629) and next prime (1022451631).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022451630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022451631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 685926 + ... + 687414.

It is an arithmetic number, because the mean of its divisors is an integer number (39264480).

Almost surely, 2^1022451630 is an apocalyptic number.

1022451630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022451630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1256463360).

1022451630 is an abundant number, since it is smaller than the sum of its proper divisors (1490475090).

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

1022451630 is a wasteful number, since it uses less digits than its factorization.

1022451630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1022451630 is about 31975.7975662844. The cubic root of 1022451630 is about 1007.4285565695.

Adding to 1022451630 its reverse (361542201), we get a palindrome (1383993831).

The spelling of 1022451630 in words is "one billion, twenty-two million, four hundred fifty-one thousand, six hundred thirty".