220429748 has 24 divisors (see below), whose sum is σ = 480938304. Its totient is φ = 85881600.

The previous prime is 220429733. The next prime is 220429777. The reversal of 220429748 is 847924022.

It is a congruent number.

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, 357533 + ... + 358148.

It is an arithmetic number, because the mean of its divisors is an integer number (20039096).

Almost surely, 2^220429748 is an apocalyptic number.

220429748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

220429748 is an abundant number, since it is smaller than the sum of its proper divisors (260508556).

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

220429748 is a wasteful number, since it uses less digits than its factorization.

220429748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715703 (or 715701 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 220429748 is about 14846.8767085876. The cubic root of 220429748 is about 604.0738948815.

The spelling of 220429748 in words is "two hundred twenty million, four hundred twenty-nine thousand, seven hundred forty-eight".