1022262420 has 48 divisors (see below), whose sum is σ = 2863808640. Its totient is φ = 272462976.

The previous prime is 1022262413. The next prime is 1022262421. The reversal of 1022262420 is 242622201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022262421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171246 + ... + 177114.

It is an arithmetic number, because the mean of its divisors is an integer number (59662680).

Almost surely, 2^1022262420 is an apocalyptic number.

1022262420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022262420 is an abundant number, since it is smaller than the sum of its proper divisors (1841546220).

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

1022262420 is a wasteful number, since it uses less digits than its factorization.

1022262420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8784 (or 8782 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1022262420 is about 31972.8387854441. The cubic root of 1022262420 is about 1007.3664094351.

Adding to 1022262420 its reverse (242622201), we get a palindrome (1264884621).

The spelling of 1022262420 in words is "one billion, twenty-two million, two hundred sixty-two thousand, four hundred twenty".