70228619 has 2 divisors, whose sum is σ = 70228620. Its totient is φ = 70228618.

The previous prime is 70228597. The next prime is 70228661. The reversal of 70228619 is 91682207.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70228619 - 2¹⁶ = 70163083 is a prime.

It is a super-2 number, since 2×70228619² = 9864117853294322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70228699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35114309 + 35114310.

It is an arithmetic number, because the mean of its divisors is an integer number (35114310).

Almost surely, 2^70228619 is an apocalyptic number.

70228619 is a deficient number, since it is larger than the sum of its proper divisors (1).

70228619 is an equidigital number, since it uses as much as digits as its factorization.

70228619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 70228619 is about 8380.2517265295. The cubic root of 70228619 is about 412.5767110472.

The spelling of 70228619 in words is "seventy million, two hundred twenty-eight thousand, six hundred nineteen".