401515022 has 4 divisors (see below), whose sum is σ = 602272536. Its totient is φ = 200757510.

The previous prime is 401515021. The next prime is 401515033. The reversal of 401515022 is 220515104.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×401515022² = 322428625783320968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401514985 and 401515003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401515021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100378754 + ... + 100378757.

It is an arithmetic number, because the mean of its divisors is an integer number (150568134).

Almost surely, 2^401515022 is an apocalyptic number.

401515022 is a deficient number, since it is larger than the sum of its proper divisors (200757514).

401515022 is a wasteful number, since it uses less digits than its factorization.

401515022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200757513.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 401515022 is about 20037.8397538258. The cubic root of 401515022 is about 737.7353592203.

The spelling of 401515022 in words is "four hundred one million, five hundred fifteen thousand, twenty-two".