2245621534 has 32 divisors (see below), whose sum is σ = 3656016000. Its totient is φ = 1028342784.

The previous prime is 2245621517. The next prime is 2245621561. The reversal of 2245621534 is 4351265422.

It is a self number, because there is not a number n which added to its sum of digits gives 2245621534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2416782 + ... + 2417710.

It is an arithmetic number, because the mean of its divisors is an integer number (114250500).

Almost surely, 2^2245621534 is an apocalyptic number.

2245621534 is a deficient number, since it is larger than the sum of its proper divisors (1410394466).

2245621534 is a wasteful number, since it uses less digits than its factorization.

2245621534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572.

The product of its digits is 57600, while the sum is 34.

The square root of 2245621534 is about 47387.9893432925. The cubic root of 2245621534 is about 1309.5201579617.

Adding to 2245621534 its reverse (4351265422), we get a palindrome (6596886956).

The spelling of 2245621534 in words is "two billion, two hundred forty-five million, six hundred twenty-one thousand, five hundred thirty-four".