2245721762 has 4 divisors (see below), whose sum is σ = 3368582646. Its totient is φ = 1122860880.

The previous prime is 2245721759. The next prime is 2245721783. The reversal of 2245721762 is 2671275422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1657222681 + 588499081 = 40709^2 + 24259^2 .

It is a super-4 number, since 4×2245721762⁴ (a number of 39 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561430439 + ... + 561430442.

Almost surely, 2^2245721762 is an apocalyptic number.

2245721762 is a deficient number, since it is larger than the sum of its proper divisors (1122860884).

2245721762 is a wasteful number, since it uses less digits than its factorization.

2245721762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122860883.

The product of its digits is 94080, while the sum is 38.

The square root of 2245721762 is about 47389.0468568424. The cubic root of 2245721762 is about 1309.5396401157.

The spelling of 2245721762 in words is "two billion, two hundred forty-five million, seven hundred twenty-one thousand, seven hundred sixty-two".