2245620831 has 16 divisors (see below), whose sum is σ = 3173414400. Its totient is φ = 1407627648.

The previous prime is 2245620827. The next prime is 2245620901. The reversal of 2245620831 is 1380265422.

It is not a de Polignac number, because 2245620831 - 2² = 2245620827 is a prime.

It is a super-2 number, since 2×2245620831² = 10085625833242261122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2245620792 and 2245620801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245620631) 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, 31800 + ... + 74178.

It is an arithmetic number, because the mean of its divisors is an integer number (198338400).

Almost surely, 2^2245620831 is an apocalyptic number.

2245620831 is a deficient number, since it is larger than the sum of its proper divisors (927793569).

2245620831 is a wasteful number, since it uses less digits than its factorization.

2245620831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43438.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 2245620831 is about 47387.9819258006. The cubic root of 2245620831 is about 1309.5200213117.

The spelling of 2245620831 in words is "two billion, two hundred forty-five million, six hundred twenty thousand, eight hundred thirty-one".