1222055025 has 48 divisors (see below), whose sum is σ = 2052350784. Its totient is φ = 641562880.

The previous prime is 1222054949. The next prime is 1222055033. The reversal of 1222055025 is 5205502221.

It is not a de Polignac number, because 1222055025 - 2⁹ = 1222054513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222054986 and 1222055004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1580539 + ... + 1581311.

It is an arithmetic number, because the mean of its divisors is an integer number (42757308).

Almost surely, 2^1222055025 is an apocalyptic number.

1222055025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1222055025 is a deficient number, since it is larger than the sum of its proper divisors (830295759).

1222055025 is a wasteful number, since it uses less digits than its factorization.

1222055025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 1222055025 is about 34957.9036127740. The cubic root of 1222055025 is about 1069.1293540635.

Adding to 1222055025 its reverse (5205502221), we get a palindrome (6427557246).

The spelling of 1222055025 in words is "one billion, two hundred twenty-two million, fifty-five thousand, twenty-five".