1255040022 has 64 divisors (see below), whose sum is σ = 2753740800. Its totient is φ = 379844640.

The previous prime is 1255040021. The next prime is 1255040069. The reversal of 1255040022 is 2200405521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255040021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376479 + ... + 379797.

It is an arithmetic number, because the mean of its divisors is an integer number (43027200).

Almost surely, 2^1255040022 is an apocalyptic number.

1255040022 is an abundant number, since it is smaller than the sum of its proper divisors (1498700778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255040022 is a wasteful number, since it uses less digits than its factorization.

1255040022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1255040022 is about 35426.5440312769. The cubic root of 1255040022 is about 1078.6631899609.

Adding to 1255040022 its reverse (2200405521), we get a palindrome (3455445543).

The spelling of 1255040022 in words is "one billion, two hundred fifty-five million, forty thousand, twenty-two".