1252607622 has 64 divisors (see below), whose sum is σ = 2937268224. Its totient is φ = 348687360.

The previous prime is 1252607597. The next prime is 1252607633. The reversal of 1252607622 is 2267062521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474418 + ... + 477050.

It is an arithmetic number, because the mean of its divisors is an integer number (45894816).

Almost surely, 2^1252607622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252607622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468634112).

1252607622 is an abundant number, since it is smaller than the sum of its proper divisors (1684660602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252607622 is a wasteful number, since it uses less digits than its factorization.

1252607622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1252607622 is about 35392.1971909064. The cubic root of 1252607622 is about 1077.9658849206.

The spelling of 1252607622 in words is "one billion, two hundred fifty-two million, six hundred seven thousand, six hundred twenty-two".