422778333 has 16 divisors (see below), whose sum is σ = 567705600. Its totient is φ = 279859440.

The previous prime is 422778331. The next prime is 422778337. The reversal of 422778333 is 333877224.

It is not a de Polignac number, because 422778333 - 2¹ = 422778331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422778291 and 422778300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422778331) 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, 342828 + ... + 344058.

It is an arithmetic number, because the mean of its divisors is an integer number (35481600).

Almost surely, 2^422778333 is an apocalyptic number.

It is an amenable number.

422778333 is a deficient number, since it is larger than the sum of its proper divisors (144927267).

422778333 is a wasteful number, since it uses less digits than its factorization.

422778333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952.

The product of its digits is 169344, while the sum is 39.

The square root of 422778333 is about 20561.5741858448. The cubic root of 422778333 is about 750.5349268248.

The spelling of 422778333 in words is "four hundred twenty-two million, seven hundred seventy-eight thousand, three hundred thirty-three".