70224346 has 4 divisors (see below), whose sum is σ = 105336522. Its totient is φ = 35112172.

The previous prime is 70224307. The next prime is 70224347. The reversal of 70224346 is 64342207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64342207 = 4129 ⋅15583.

It can be written as a sum of positive squares in only one way, i.e., 54184321 + 16040025 = 7361^2 + 4005^2 .

It is a super-2 number, since 2×70224346² = 9862917542255432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70224347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17556085 + ... + 17556088.

Almost surely, 2^70224346 is an apocalyptic number.

70224346 is a deficient number, since it is larger than the sum of its proper divisors (35112176).

70224346 is a wasteful number, since it uses less digits than its factorization.

70224346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35112175.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 70224346 is about 8379.9967780423. The cubic root of 70224346 is about 412.5683432523.

The spelling of 70224346 in words is "seventy million, two hundred twenty-four thousand, three hundred forty-six".