70602221 has 16 divisors (see below), whose sum is σ = 74711040. Its totient is φ = 66633840.

The previous prime is 70602209. The next prime is 70602227. The reversal of 70602221 is 12220607.

It is a cyclic number.

It is not a de Polignac number, because 70602221 - 2¹⁰ = 70601197 is a prime.

It is a super-2 number, since 2×70602221² = 9969347220265682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70602193 and 70602202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70602227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310910 + ... + 311136.

It is an arithmetic number, because the mean of its divisors is an integer number (4669440).

Almost surely, 2^70602221 is an apocalyptic number.

It is an amenable number.

70602221 is a deficient number, since it is larger than the sum of its proper divisors (4108819).

70602221 is a wasteful number, since it uses less digits than its factorization.

70602221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 70602221 is about 8402.5127789251. The cubic root of 70602221 is about 413.3070256554.

Adding to 70602221 its reverse (12220607), we get a palindrome (82822828).

The spelling of 70602221 in words is "seventy million, six hundred two thousand, two hundred twenty-one".