2447257622 has 4 divisors (see below), whose sum is σ = 3670886436. Its totient is φ = 1223628810.

The previous prime is 2447257601. The next prime is 2447257633. The reversal of 2447257622 is 2267527442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2267527442 = 2 ⋅1133763721.

It is a self number, because there is not a number n which added to its sum of digits gives 2447257622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611814404 + ... + 611814407.

It is an arithmetic number, because the mean of its divisors is an integer number (917721609).

Almost surely, 2^2447257622 is an apocalyptic number.

2447257622 is a deficient number, since it is larger than the sum of its proper divisors (1223628814).

2447257622 is a wasteful number, since it uses less digits than its factorization.

2447257622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223628813.

The product of its digits is 376320, while the sum is 41.

The square root of 2447257622 is about 49469.7647255372. The cubic root of 2447257622 is about 1347.5965690238.

The spelling of 2447257622 in words is "two billion, four hundred forty-seven million, two hundred fifty-seven thousand, six hundred twenty-two".