1220022430 has 96 divisors (see below), whose sum is σ = 2490717600. Its totient is φ = 429792000.

The previous prime is 1220022421. The next prime is 1220022437. The reversal of 1220022430 is 342200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220022437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8187996 + ... + 8188144.

It is an arithmetic number, because the mean of its divisors is an integer number (25944975).

Almost surely, 2^1220022430 is an apocalyptic number.

1220022430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220022430 is an abundant number, since it is smaller than the sum of its proper divisors (1270695170).

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

1220022430 is a wasteful number, since it uses less digits than its factorization.

1220022430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1220022430 is about 34928.8194761861. The cubic root of 1220022430 is about 1068.5362785027.

Adding to 1220022430 its reverse (342200221), we get a palindrome (1562222651).

The spelling of 1220022430 in words is "one billion, two hundred twenty million, twenty-two thousand, four hundred thirty".