1222404141 has 16 divisors (see below), whose sum is σ = 1865006208. Its totient is φ = 697656000.

The previous prime is 1222404133. The next prime is 1222404149. The reversal of 1222404141 is 1414042221.

It is an interprime number because it is at equal distance from previous prime (1222404133) and next prime (1222404149).

It is not a de Polignac number, because 1222404141 - 2³ = 1222404133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222404149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18210 + ... + 52691.

It is an arithmetic number, because the mean of its divisors is an integer number (116562888).

Almost surely, 2^1222404141 is an apocalyptic number.

It is an amenable number.

1222404141 is a deficient number, since it is larger than the sum of its proper divisors (642602067).

1222404141 is an equidigital number, since it uses as much as digits as its factorization.

1222404141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71732.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1222404141 is about 34962.8966334313. The cubic root of 1222404141 is about 1069.2311537965.

Adding to 1222404141 its reverse (1414042221), we get a palindrome (2636446362).

The spelling of 1222404141 in words is "one billion, two hundred twenty-two million, four hundred four thousand, one hundred forty-one".