402223111 has 8 divisors (see below), whose sum is σ = 427276080. Its totient is φ = 377324928.

The previous prime is 402223099. The next prime is 402223117. The reversal of 402223111 is 111322204.

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

It is not a de Polignac number, because 402223111 - 2⁷ = 402222983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402223117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33316 + ... + 43753.

It is an arithmetic number, because the mean of its divisors is an integer number (53409510).

Almost surely, 2^402223111 is an apocalyptic number.

402223111 is a deficient number, since it is larger than the sum of its proper divisors (25052969).

402223111 is a wasteful number, since it uses less digits than its factorization.

402223111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77393.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 402223111 is about 20055.5007666226. The cubic root of 402223111 is about 738.1687805400.

Adding to 402223111 its reverse (111322204), we get a palindrome (513545315).

The spelling of 402223111 in words is "four hundred two million, two hundred twenty-three thousand, one hundred eleven".