2622425 has 12 divisors (see below), whose sum is σ = 3502380. Its totient is φ = 1936320.

The previous prime is 2622419. The next prime is 2622427. The reversal of 2622425 is 5242262.

2622425 = 305² + 306² + ... + 330².

It can be written as a sum of positive squares in 6 ways, for example, as 1104601 + 1517824 = 1051^2 + 1232^2 .

It is not a de Polignac number, because 2622425 - 2¹⁴ = 2606041 is a prime.

It is a super-2 number, since 2×2622425² = 13754225761250, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁶ + 6² + 2⁸ + 2¹⁹ + 4 + 2²¹ + 5⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 2622425.

It is not an unprimeable number, because it can be changed into a prime (2622427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3710 + ... + 4359.

It is an arithmetic number, because the mean of its divisors is an integer number (291865).

2^2622425 is an apocalyptic number.

2622425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2622425 is a deficient number, since it is larger than the sum of its proper divisors (879955).

2622425 is a wasteful number, since it uses less digits than its factorization.

2622425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8092 (or 8087 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 2622425 is about 1619.3903173726. The cubic root of 2622425 is about 137.9010878413.

Adding to 2622425 its reverse (5242262), we get a palindrome (7864687).

The spelling of 2622425 in words is "two million, six hundred twenty-two thousand, four hundred twenty-five".