222970505 has 16 divisors (see below), whose sum is σ = 276940944. Its totient is φ = 172216320.

The previous prime is 222970481. The next prime is 222970511. The reversal of 222970505 is 505079222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 86174089 + 136796416 = 9283^2 + 11696^2 .

It is a de Polignac number, because none of the positive numbers 2^k-222970505 is a prime.

It is a super-5 number, since 5×222970505⁵ (a number of 43 digits) contains 55555 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14279 + ... + 25491.

It is an arithmetic number, because the mean of its divisors is an integer number (17308809).

Almost surely, 2^222970505 is an apocalyptic number.

It is an amenable number.

222970505 is a deficient number, since it is larger than the sum of its proper divisors (53970439).

222970505 is a wasteful number, since it uses less digits than its factorization.

222970505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11356.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 222970505 is about 14932.1969247663. The cubic root of 222970505 is about 606.3859626328.

The spelling of 222970505 in words is "two hundred twenty-two million, nine hundred seventy thousand, five hundred five".