222073245 has 80 divisors (see below), whose sum is σ = 413210160. Its totient is φ = 114048000.

The previous prime is 222073231. The next prime is 222073259. The reversal of 222073245 is 542370222.

It is an interprime number because it is at equal distance from previous prime (222073231) and next prime (222073259).

It can be written as a sum of positive squares in 8 ways, for example, as 13155129 + 208918116 = 3627^2 + 14454^2 .

It is not a de Polignac number, because 222073245 - 2¹² = 222069149 is a prime.

It is a super-2 number, since 2×222073245² = 98633052289660050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2198695 + ... + 2198795.

It is an arithmetic number, because the mean of its divisors is an integer number (5165127).

Almost surely, 2^222073245 is an apocalyptic number.

It is an amenable number.

222073245 is a deficient number, since it is larger than the sum of its proper divisors (191136915).

222073245 is a wasteful number, since it uses less digits than its factorization.

222073245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 222073245 is about 14902.1221643094. The cubic root of 222073245 is about 605.5714792298.

It can be divided in two parts, 22207 and 3245, that added together give a palindrome (25452).

The spelling of 222073245 in words is "two hundred twenty-two million, seventy-three thousand, two hundred forty-five".