428610022 has 8 divisors (see below), whose sum is σ = 643794336. Its totient is φ = 214011912.

The previous prime is 428610019. The next prime is 428610029. The reversal of 428610022 is 220016824.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428610029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144718 + ... + 147649.

It is an arithmetic number, because the mean of its divisors is an integer number (80474292).

Almost surely, 2^428610022 is an apocalyptic number.

428610022 is a deficient number, since it is larger than the sum of its proper divisors (215184314).

428610022 is a wasteful number, since it uses less digits than its factorization.

428610022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293102.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 428610022 is about 20702.8988791425. The cubic root of 428610022 is about 753.9700717740.

Adding to 428610022 its reverse (220016824), we get a palindrome (648626846).

The spelling of 428610022 in words is "four hundred twenty-eight million, six hundred ten thousand, twenty-two".