722001250 has 20 divisors (see below), whose sum is σ = 1353321486. Its totient is φ = 288800000.

The previous prime is 722001233. The next prime is 722001251. The reversal of 722001250 is 52100227.

It can be written as a sum of positive squares in 5 ways, for example, as 166126321 + 555874929 = 12889^2 + 23577^2 .

It is not an unprimeable number, because it can be changed into a prime (722001251) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 287551 + ... + 290050.

Almost surely, 2^722001250 is an apocalyptic number.

722001250 is a deficient number, since it is larger than the sum of its proper divisors (631320236).

722001250 is an equidigital number, since it uses as much as digits as its factorization.

722001250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577623 (or 577608 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 722001250 is about 26870.0809451702. The cubic root of 722001250 is about 897.1105895690.

Adding to 722001250 its reverse (52100227), we get a palindrome (774101477).

It can be divided in two parts, 72200 and 1250, that multiplied together give a square (90250000 = 9500²).

The spelling of 722001250 in words is "seven hundred twenty-two million, one thousand, two hundred fifty".