401342022 has 12 divisors (see below), whose sum is σ = 869574420. Its totient is φ = 133780668.

The previous prime is 401342009. The next prime is 401342047. The reversal of 401342022 is 220243104.

It is a super-2 number, since 2×401342022² = 322150837246096968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 22296779 = 401342022 / (4 + 0 + 1 + 3 + 4 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 401341986 and 401342004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11148372 + ... + 11148407.

It is an arithmetic number, because the mean of its divisors is an integer number (72464535).

Almost surely, 2^401342022 is an apocalyptic number.

401342022 is an abundant number, since it is smaller than the sum of its proper divisors (468232398).

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

401342022 is a wasteful number, since it uses less digits than its factorization.

401342022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22296787 (or 22296784 counting only the distinct ones).

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

The square root of 401342022 is about 20033.5224561234. The cubic root of 401342022 is about 737.6293884639.

Adding to 401342022 its reverse (220243104), we get a palindrome (621585126).

The spelling of 401342022 in words is "four hundred one million, three hundred forty-two thousand, twenty-two".