401522470 has 16 divisors (see below), whose sum is σ = 729898128. Its totient is φ = 159018400.

The previous prime is 401522461. The next prime is 401522501. The reversal of 401522470 is 74225104.

It is a super-2 number, since 2×401522470² = 322440587829801800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197764 + ... + 199783.

It is an arithmetic number, because the mean of its divisors is an integer number (45618633).

Almost surely, 2^401522470 is an apocalyptic number.

401522470 is a deficient number, since it is larger than the sum of its proper divisors (328375658).

401522470 is a wasteful number, since it uses less digits than its factorization.

401522470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397655.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 401522470 is about 20038.0256013411. The cubic root of 401522470 is about 737.7399207923.

Adding to 401522470 its reverse (74225104), we get a palindrome (475747574).

The spelling of 401522470 in words is "four hundred one million, five hundred twenty-two thousand, four hundred seventy".