70822141 has 4 divisors (see below), whose sum is σ = 76270012. Its totient is φ = 65374272.

The previous prime is 70822133. The next prime is 70822163. The reversal of 70822141 is 14122807.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14122807 = 1429 ⋅9883.

It can be written as a sum of positive squares in 2 ways, for example, as 33977241 + 36844900 = 5829^2 + 6070^2 .

It is a cyclic number.

It is not a de Polignac number, because 70822141 - 2³ = 70822133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70822121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723916 + ... + 2723941.

It is an arithmetic number, because the mean of its divisors is an integer number (19067503).

Almost surely, 2^70822141 is an apocalyptic number.

It is an amenable number.

70822141 is a deficient number, since it is larger than the sum of its proper divisors (5447871).

70822141 is a wasteful number, since it uses less digits than its factorization.

70822141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447870.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 70822141 is about 8415.5891653526. The cubic root of 70822141 is about 413.7357197604.

Adding to 70822141 its reverse (14122807), we get a palindrome (84944948).

The spelling of 70822141 in words is "seventy million, eight hundred twenty-two thousand, one hundred forty-one".