2255621007 has 8 divisors (see below), whose sum is σ = 3007722240. Its totient is φ = 1503633560.

The previous prime is 2255620963. The next prime is 2255621009. The reversal of 2255621007 is 7001265522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2255621007 - 2¹⁰ = 2255619983 is a prime.

It is a super-2 number, since 2×2255621007² = 10175652254439388098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255621009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44632 + ... + 80642.

It is an arithmetic number, because the mean of its divisors is an integer number (375965280).

Almost surely, 2^2255621007 is an apocalyptic number.

2255621007 is a deficient number, since it is larger than the sum of its proper divisors (752101233).

2255621007 is a wasteful number, since it uses less digits than its factorization.

2255621007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56893.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2255621007 is about 47493.3785595424. The cubic root of 2255621007 is about 1311.4609900992.

Adding to 2255621007 its reverse (7001265522), we get a palindrome (9256886529).

The spelling of 2255621007 in words is "two billion, two hundred fifty-five million, six hundred twenty-one thousand, seven".