70531422 has 32 divisors (see below), whose sum is σ = 157157280. Its totient is φ = 20952960.

The previous prime is 70531421. The next prime is 70531423. The reversal of 70531422 is 22413507.

It is an interprime number because it is at equal distance from previous prime (70531421) and next prime (70531423).

It is a junction number, because it is equal to n+sod(n) for n = 70531392 and 70531401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70531421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13329 + ... + 17852.

It is an arithmetic number, because the mean of its divisors is an integer number (4911165).

Almost surely, 2^70531422 is an apocalyptic number.

70531422 is an abundant number, since it is smaller than the sum of its proper divisors (86625858).

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

70531422 is a wasteful number, since it uses less digits than its factorization.

70531422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31228.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 70531422 is about 8398.2987562958. The cubic root of 70531422 is about 413.1688264588.

Adding to 70531422 its reverse (22413507), we get a palindrome (92944929).

The spelling of 70531422 in words is "seventy million, five hundred thirty-one thousand, four hundred twenty-two".