7402222 has 8 divisors (see below), whose sum is σ = 11374272. Its totient is φ = 3610800.

The previous prime is 7402217. The next prime is 7402223. The reversal of 7402222 is 2222047.

It is a sphenic number, since it is the product of 3 distinct primes.

7402222 is a modest number, since divided by 2222 gives 740 as remainder.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 7402222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7402223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45054 + ... + 45217.

It is an arithmetic number, because the mean of its divisors is an integer number (1421784).

Almost surely, 2^7402222 is an apocalyptic number.

7402222 is a deficient number, since it is larger than the sum of its proper divisors (3972050).

7402222 is a wasteful number, since it uses less digits than its factorization.

7402222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90314.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 7402222 is about 2720.7024828158. The cubic root of 7402222 is about 194.8890185930.

Adding to 7402222 its reverse (2222047), we get a palindrome (9624269).

The spelling of 7402222 in words is "seven million, four hundred two thousand, two hundred twenty-two".