420222310 has 16 divisors (see below), whose sum is σ = 766763136. Its totient is φ = 165786048.

The previous prime is 420222287. The next prime is 420222323. The reversal of 420222310 is 13222024.

It is a super-2 number, since 2×420222310² = 353173579643472200, which contains 22 as substring.

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, 287094 + ... + 288553.

It is an arithmetic number, because the mean of its divisors is an integer number (47922696).

Almost surely, 2^420222310 is an apocalyptic number.

420222310 is a deficient number, since it is larger than the sum of its proper divisors (346540826).

420222310 is a wasteful number, since it uses less digits than its factorization.

420222310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575727.

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

The square root of 420222310 is about 20499.3246230211. The cubic root of 420222310 is about 749.0193464652.

Adding to 420222310 its reverse (13222024), we get a palindrome (433444334).

The spelling of 420222310 in words is "four hundred twenty million, two hundred twenty-two thousand, three hundred ten".