1022432420 has 24 divisors (see below), whose sum is σ = 2148574848. Its totient is φ = 408693600.

The previous prime is 1022432419. The next prime is 1022432471. The reversal of 1022432420 is 242342201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1022432392 and 1022432401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13925 + ... + 47315.

It is an arithmetic number, because the mean of its divisors is an integer number (89523952).

Almost surely, 2^1022432420 is an apocalyptic number.

1022432420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022432420 is an abundant number, since it is smaller than the sum of its proper divisors (1126142428).

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

1022432420 is a wasteful number, since it uses less digits than its factorization.

1022432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34931 (or 34929 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1022432420 is about 31975.4971814357. The cubic root of 1022432420 is about 1007.4222472820.

Adding to 1022432420 its reverse (242342201), we get a palindrome (1264774621).

The spelling of 1022432420 in words is "one billion, twenty-two million, four hundred thirty-two thousand, four hundred twenty".