222132501 has 12 divisors (see below), whose sum is σ = 321340812. Its totient is φ = 147865536.

The previous prime is 222132499. The next prime is 222132529. The reversal of 222132501 is 105231222.

It can be written as a sum of positive squares in 2 ways, for example, as 201611601 + 20520900 = 14199^2 + 4530^2 .

It is not a de Polignac number, because 222132501 - 2¹ = 222132499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222132541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12136 + ... + 24321.

It is an arithmetic number, because the mean of its divisors is an integer number (26778401).

Almost surely, 2^222132501 is an apocalyptic number.

It is an amenable number.

222132501 is a deficient number, since it is larger than the sum of its proper divisors (99208311).

222132501 is a wasteful number, since it uses less digits than its factorization.

222132501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37140 (or 37137 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 222132501 is about 14904.1102049066. The cubic root of 222132501 is about 605.6253361639.

Adding to 222132501 its reverse (105231222), we get a palindrome (327363723).

The spelling of 222132501 in words is "two hundred twenty-two million, one hundred thirty-two thousand, five hundred one".