70228641 has 16 divisors (see below), whose sum is σ = 107410304. Its totient is φ = 39982464.

The previous prime is 70228619. The next prime is 70228661. The reversal of 70228641 is 14682207.

It is not a de Polignac number, because 70228641 - 2⁹ = 70228129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70228599 and 70228608.

It is not an unprimeable number, because it can be changed into a prime (70228661) 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, 220 + ... + 11853.

It is an arithmetic number, because the mean of its divisors is an integer number (6713144).

Almost surely, 2^70228641 is an apocalyptic number.

It is an amenable number.

70228641 is a deficient number, since it is larger than the sum of its proper divisors (37181663).

70228641 is a wasteful number, since it uses less digits than its factorization.

70228641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12360.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 70228641 is about 8380.2530391391. The cubic root of 70228641 is about 412.5767541288.

The spelling of 70228641 in words is "seventy million, two hundred twenty-eight thousand, six hundred forty-one".