402220268 has 6 divisors (see below), whose sum is σ = 703885476. Its totient is φ = 201110132.

The previous prime is 402220261. The next prime is 402220327. The reversal of 402220268 is 862022204.

It is a super-2 number, since 2×402220268² = 323562287979983648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402220261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50277530 + ... + 50277537.

It is an arithmetic number, because the mean of its divisors is an integer number (117314246).

Almost surely, 2^402220268 is an apocalyptic number.

It is an amenable number.

402220268 is a deficient number, since it is larger than the sum of its proper divisors (301665208).

402220268 is a wasteful number, since it uses less digits than its factorization.

402220268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100555071 (or 100555069 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 402220268 is about 20055.4298881874. The cubic root of 402220268 is about 738.1670413570.

The spelling of 402220268 in words is "four hundred two million, two hundred twenty thousand, two hundred sixty-eight".