4722432240 has 40 divisors (see below), whose sum is σ = 14639540688. Its totient is φ = 1259315200.

The previous prime is 4722432233. The next prime is 4722432241. The reversal of 4722432240 is 422342274.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×4722432240² = 44602732522782835200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 4722432198 and 4722432207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4722432241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9838161 + ... + 9838640.

Almost surely, 2^4722432240 is an apocalyptic number.

4722432240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4722432240 is an abundant number, since it is smaller than the sum of its proper divisors (9917108448).

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

4722432240 is a wasteful number, since it uses less digits than its factorization.

4722432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19676817 (or 19676811 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 30.

The square root of 4722432240 is about 68719.9551804278. The cubic root of 4722432240 is about 1677.7293871724.

The spelling of 4722432240 in words is "four billion, seven hundred twenty-two million, four hundred thirty-two thousand, two hundred forty".