1220462430 has 32 divisors (see below), whose sum is σ = 3195393408. Its totient is φ = 295869600.

The previous prime is 1220462413. The next prime is 1220462431. The reversal of 1220462430 is 342640221.

It is a super-3 number, since 3×1220462430³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1220462430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220462431) 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, 1848856 + ... + 1849515.

It is an arithmetic number, because the mean of its divisors is an integer number (99856044).

Almost surely, 2^1220462430 is an apocalyptic number.

1220462430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220462430 is an abundant number, since it is smaller than the sum of its proper divisors (1974930978).

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

1220462430 is a wasteful number, since it uses less digits than its factorization.

1220462430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698392.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1220462430 is about 34935.1174321770. The cubic root of 1220462430 is about 1068.6647186149.

The spelling of 1220462430 in words is "one billion, two hundred twenty million, four hundred sixty-two thousand, four hundred thirty".