3722561130 has 32 divisors (see below), whose sum is σ = 9404366400. Its totient is φ = 940436352.

The previous prime is 3722561021. The next prime is 3722561131. The reversal of 3722561130 is 311652273.

It is a super-2 number, since 2×3722561130² = 27714922733173753800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3722561131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3264835 + ... + 3265974.

It is an arithmetic number, because the mean of its divisors is an integer number (293886450).

Almost surely, 2^3722561130 is an apocalyptic number.

3722561130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3722561130 is an abundant number, since it is smaller than the sum of its proper divisors (5681805270).

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

3722561130 is a wasteful number, since it uses less digits than its factorization.

3722561130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6530838.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 3722561130 is about 61012.7948056799. The cubic root of 3722561130 is about 1549.8176864999.

The spelling of 3722561130 in words is "three billion, seven hundred twenty-two million, five hundred sixty-one thousand, one hundred thirty".