1022451430 has 128 divisors (see below), whose sum is σ = 2579060736. Its totient is φ = 281318400.

The previous prime is 1022451403. The next prime is 1022451431. The reversal of 1022451430 is 341542201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022451431) 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 in 63 ways as a sum of consecutive naturals, for example, 228010 + ... + 232450.

It is an arithmetic number, because the mean of its divisors is an integer number (20148912).

Almost surely, 2^1022451430 is an apocalyptic number.

1022451430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022451430 is an abundant number, since it is smaller than the sum of its proper divisors (1556609306).

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

1022451430 is a wasteful number, since it uses less digits than its factorization.

1022451430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1022451430 is about 31975.7944389189. The cubic root of 1022451430 is about 1007.4284908824.

Adding to 1022451430 its reverse (341542201), we get a palindrome (1363993631).

The spelling of 1022451430 in words is "one billion, twenty-two million, four hundred fifty-one thousand, four hundred thirty".