400262022 has 24 divisors (see below), whose sum is σ = 877686264. Its totient is φ = 131812704.

The previous prime is 400261997. The next prime is 400262029. The reversal of 400262022 is 220262004.

It is a happy number.

400262022 is a `hidden beast` number, since 40 + 0 + 2 + 620 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 400261986 and 400262004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400262029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132463 + ... + 135450.

It is an arithmetic number, because the mean of its divisors is an integer number (36570261).

Almost surely, 2^400262022 is an apocalyptic number.

400262022 is an abundant number, since it is smaller than the sum of its proper divisors (477424242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400262022 is a wasteful number, since it uses less digits than its factorization.

400262022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268004 (or 268001 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 400262022 is about 20006.5494776086. The cubic root of 400262022 is about 736.9671474954.

Subtracting from 400262022 its sum of digits (18), we obtain a palindrome (400262004).

The spelling of 400262022 in words is "four hundred million, two hundred sixty-two thousand, twenty-two".