434220550 has 12 divisors (see below), whose sum is σ = 807650316. Its totient is φ = 173688200.

The previous prime is 434220533. The next prime is 434220551. The reversal of 434220550 is 55022434.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434220551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4342156 + ... + 4342255.

It is an arithmetic number, because the mean of its divisors is an integer number (67304193).

Almost surely, 2^434220550 is an apocalyptic number.

434220550 is a deficient number, since it is larger than the sum of its proper divisors (373429766).

434220550 is a wasteful number, since it uses less digits than its factorization.

434220550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8684423 (or 8684418 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 434220550 is about 20837.9593530653. The cubic root of 434220550 is about 757.2456566755.

Adding to 434220550 its reverse (55022434), we get a palindrome (489242984).

The spelling of 434220550 in words is "four hundred thirty-four million, two hundred twenty thousand, five hundred fifty".