70294221 has 12 divisors (see below), whose sum is σ = 101643360. Its totient is φ = 46813320.

The previous prime is 70294199. The next prime is 70294229. The reversal of 70294221 is 12249207.

It is not a de Polignac number, because 70294221 - 2¹⁵ = 70261453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70294229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6240 + ... + 13398.

It is an arithmetic number, because the mean of its divisors is an integer number (8470280).

Almost surely, 2^70294221 is an apocalyptic number.

It is an amenable number.

70294221 is a deficient number, since it is larger than the sum of its proper divisors (31349139).

70294221 is a wasteful number, since it uses less digits than its factorization.

70294221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8256 (or 8253 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 70294221 is about 8384.1648958021. The cubic root of 70294221 is about 412.7051365360.

The spelling of 70294221 in words is "seventy million, two hundred ninety-four thousand, two hundred twenty-one".