1222140333 has 4 divisors (see below), whose sum is σ = 1629520448. Its totient is φ = 814760220.

The previous prime is 1222140331. The next prime is 1222140347. The reversal of 1222140333 is 3330412221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1222140333 - 2¹ = 1222140331 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222140331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203690053 + ... + 203690058.

It is an arithmetic number, because the mean of its divisors is an integer number (407380112).

Almost surely, 2^1222140333 is an apocalyptic number.

It is an amenable number.

1222140333 is a deficient number, since it is larger than the sum of its proper divisors (407380115).

1222140333 is an equidigital number, since it uses as much as digits as its factorization.

1222140333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407380114.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1222140333 is about 34959.1237447394. The cubic root of 1222140333 is about 1069.1542310570.

Adding to 1222140333 its reverse (3330412221), we get a palindrome (4552552554).

The spelling of 1222140333 in words is "one billion, two hundred twenty-two million, one hundred forty thousand, three hundred thirty-three".