3402221240 has 32 divisors (see below), whose sum is σ = 8350907760. Its totient is φ = 1237171200.

The previous prime is 3402221233. The next prime is 3402221311. The reversal of 3402221240 is 421222043.

3402221240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3865721 + ... + 3866600.

Almost surely, 2^3402221240 is an apocalyptic number.

It is an amenable number.

3402221240 is an abundant number, since it is smaller than the sum of its proper divisors (4948686520).

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

3402221240 is a wasteful number, since it uses less digits than its factorization.

3402221240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7732343 (or 7732339 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 3402221240 is about 58328.5628144565. The cubic root of 3402221240 is about 1504.0219824292.

Adding to 3402221240 its reverse (421222043), we get a palindrome (3823443283).

The spelling of 3402221240 in words is "three billion, four hundred two million, two hundred twenty-one thousand, two hundred forty".