1022203008 has 96 divisors (see below), whose sum is σ = 2949607440. Its totient is φ = 339795456.

The previous prime is 1022203001. The next prime is 1022203031. The reversal of 1022203008 is 8003022201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1022203001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 509335 + ... + 511337.

Almost surely, 2^1022203008 is an apocalyptic number.

1022203008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022203008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474803720).

1022203008 is an abundant number, since it is smaller than the sum of its proper divisors (1927404432).

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

1022203008 is a wasteful number, since it uses less digits than its factorization.

1022203008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466 (or 2451 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1022203008 is about 31971.9096708345. The cubic root of 1022203008 is about 1007.3468936332.

Adding to 1022203008 its reverse (8003022201), we get a palindrome (9025225209).

The spelling of 1022203008 in words is "one billion, twenty-two million, two hundred three thousand, eight".